(Q30437230)

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:23764291%20AND%20SRC:MED&resulttype=core&format=json

3 March 2020

title

A mechanistic understanding of the role of feedforward inhibition in the mammalian sound localization circuitry (English)

1 reference

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:23764291%20AND%20SRC:MED&resulttype=core&format=json

3 March 2020

1

1 reference

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:23764291%20AND%20SRC:MED&resulttype=core&format=json

3 March 2020

author name string

Stephanie C Seeman

series ordinal

2

1 reference

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:23764291%20AND%20SRC:MED&resulttype=core&format=json

3 March 2020

Nace L Golding

series ordinal

3

1 reference

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:23764291%20AND%20SRC:MED&resulttype=core&format=json

3 March 2020

language of work or name

English

0 references

publication date

1 June 2013

1 reference

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:23764291%20AND%20SRC:MED&resulttype=core&format=json

3 March 2020

1 reference

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:23764291%20AND%20SRC:MED&resulttype=core&format=json

3 March 2020

volume

78

1 reference

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:23764291%20AND%20SRC:MED&resulttype=core&format=json

3 March 2020

issue

5

1 reference

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:23764291%20AND%20SRC:MED&resulttype=core&format=json

3 March 2020

page(s)

923-935

1 reference

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:23764291%20AND%20SRC:MED&resulttype=core&format=json

Directional hearing by linear summation of binaural inputs at the medial superior olive

3 March 2020

cites work

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Kcna1 gene deletion lowers the behavioral sensitivity of mice to small changes in sound location and increases asynchronous brainstem auditory evoked potentials but does not affect hearing thresholds.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

The calyx of Held synapse: from model synapse to auditory relay

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Dynamic interaction of Ih and IK-LVA during trains of synaptic potentials in principal neurons of the medial superior olive.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Ambient GABA-activated tonic inhibition sharpens auditory coincidence detection via a depolarizing shunting mechanism

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Modulation and control of synaptic transmission across the MNTB.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Dynamic spike thresholds during synaptic integration preserve and enhance temporal response properties in the avian cochlear nucleus

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

From dendrite to soma: dynamic routing of inhibition by complementary interneuron microcircuits in olfactory cortex

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Asymmetric excitatory synaptic dynamics underlie interaural time difference processing in the auditory system.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Going native: voltage-gated potassium channels controlling neuronal excitability.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Control of submillisecond synaptic timing in binaural coincidence detectors by K(v)1 channels

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Dynamic clamp: alteration of response properties and creation of virtual realities in neurophysiology.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Perisomatic voltage-gated sodium channels actively maintain linear synaptic integration in principal neurons of the medial superior olive.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Mechanisms for adjusting interaural time differences to achieve binaural coincidence detection

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Heterogeneous kinetics and pharmacology of synaptic inhibition in the chick auditory brainstem

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

In the ventral cochlear nucleus Kv1.1 and subunits of HCN1 are colocalized at surfaces of neurons that have low-voltage-activated and hyperpolarization-activated conductances

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

A matter of time: internal delays in binaural processing.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Binaural and cochlear disparities

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Presynaptic Na+ channels: locus, development, and recovery from inactivation at a high-fidelity synapse

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

The dynamic clamp comes of age.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Localization of voltage-gated ion channels in mammalian brain

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Sodium along with low-threshold potassium currents enhance coincidence detection of subthreshold noisy signals in MSO neurons

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

New roles for synaptic inhibition in sound localization

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Enhancement of signal-to-noise ratio and phase locking for small inputs by a low-threshold outward current in auditory neurons.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Two heteromeric Kv1 potassium channels differentially regulate action potential firing

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Enforcement of temporal fidelity in pyramidal cells by somatic feed-forward inhibition

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

The superior olivary nucleus and its influence on nucleus laminaris: a source of inhibitory feedback for coincidence detection in the avian auditory brainstem

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

The role of GABAergic inputs for coincidence detection in the neurones of nucleus laminaris of the chick.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Enhancement of neural synchronization in the anteroventral cochlear nucleus. I. Responses to tones at the characteristic frequency

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Interaction of excitation and inhibition in processing of pure tone and amplitude-modulated stimuli in the medial superior olive of the mustached bat.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Localization of Kv1.1 and Kv1.2, two K channel proteins, to synaptic terminals, somata, and dendrites in the mouse brain

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

On the mechanism of 4-aminopyridine action on the cloned mouse brain potassium channel mKv1.1.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

A depolarizing inhibitory response to GABA in brainstem auditory neurons of the chick

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Synchronization of neuronal activity in hippocampus by individual GABAergic interneurons.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

The relationship between spike rate and synchrony in responses of auditory-nerve fibers to single tones.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

The ultrastructure of nerve endings in the medial superior olive of the cat.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Stereausis: binaural processing without neural delays

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Mechanism of 4-aminopyridine action on voltage-gated potassium channels in lymphocytes

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Projections from the lateral nucleus of the trapezoid body to the medial superior olivary nucleus in the gerbil

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Projections to the medial superior olive from the medial and lateral nuclei of the trapezoid body in rodents and bats.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Organization of the cat trapezoid body and the discharge characteristics of its fibers

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Modulation of synaptic input by GABAB receptors improves coincidence detection for computation of sound location.

20 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Frequency-dependent interaural delays in the medial superior olive: implications for interaural cochlear delays.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Factors controlling the input-output relationship of spherical bushy cells in the gerbil cochlear nucleus.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Medial superior olivary neurons receive surprisingly few excitatory and inhibitory inputs with balanced strength and short-term dynamics.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Influence of inhibitory synaptic kinetics on the interaural time difference sensitivity in a linear model of binaural coincidence detection.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Reliability and precision of the mouse calyx of Held synapse.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

How secure is in vivo synaptic transmission at the calyx of Held?

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Interaural time difference processing in the mammalian medial superior olive: the role of glycinergic inhibition

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Development of gerbil medial superior olive: integration of temporally delayed excitation and inhibition at physiological temperature

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

A developmental switch to GABAergic inhibition dependent on increases in Kv1-type K+ currents.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

GABAergic input onto CA3 hippocampal interneurons remains shunting throughout development.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Kv1.1-containing channels are critical for temporal precision during spike initiation

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Shunting Inhibition Improves Robustness of Gamma Oscillations in Hippocampal Interneuron Networks by Homogenizing Firing Rates

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Somatosensory integration controlled by dynamic thalamocortical feed-forward inhibition.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Acoustical cues for sound localization by the Mongolian gerbil, Meriones unguiculatus.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Posthearing developmental refinement of temporal processing in principal neurons of the medial superior olive.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Maturation of glycinergic inhibition in the gerbil medial superior olive after hearing onset

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

GABAergic inhibition controls neural gain in inferior colliculus neurons sensitive to interaural time differences.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

A model for interaural time difference sensitivity in the medial superior olive: interaction of excitatory and inhibitory synaptic inputs, channel dynamics, and cellular morphology.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Decreased Temporal Precision of Auditory Signaling inKcna1-Null Mice: An Electrophysiological StudyIn Vivo

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Kinetic analyses of three distinct potassium conductances in ventral cochlear nucleus neurons

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Hyperexcitability and reduced low threshold potassium currents in auditory neurons of mice lacking the channel subunit Kv1.1.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Precise inhibition is essential for microsecond interaural time difference coding

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Experience-dependent refinement of inhibitory inputs to auditory coincidence-detector neurons

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Potassium currents in octopus cells of the mammalian cochlear nucleus.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Inhibitory transmission mediated by asynchronous transmitter release.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Ultrastructure of neurons and large synaptic terminals in the lateral nucleus of the trapezoid body of the cat.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Sensitivity to interaural time differences in the medial superior olive of a small mammal, the Mexican free-tailed bat.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Bilateral inhibition by glycinergic afferents in the medial superior olive

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Contrasting subcellular localization of the Kv1.2 K+ channel subunit in different neurons of rat brain.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Synaptic inhibition influences the temporal coding properties of medial superior olivary neurons: an in vitro study.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

Interaural time sensitivity in medial superior olive of cat.

26 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3690812

10.1016/J.NEURON.2013.04.022

26 November 2018

Identifiers

DOI

1 reference

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:23764291%20AND%20SRC:MED&resulttype=core&format=json

release_e7v27eifknh5jdac42qgdtksji

3 March 2020

Fatcat ID

1 reference

Fatcat

https://api.fatcat.wiki/v0/release/e7v27eifknh5jdac42qgdtksji

mapped directly with Wikidata item

24 November 2022

based on heuristic

1 reference

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:23764291%20AND%20SRC:MED&resulttype=core&format=json

3 March 2020

PubMed publication ID

23764291

1 reference

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:23764291%20AND%20SRC:MED&resulttype=core&format=json