(Q42771546)

7 November 2017

0 references

Any casualties in the clash of randomised and observational evidence? (English)

1 reference

7 November 2017

J P Ioannidis

1

1 reference

7 November 2017

A B Haidich

series ordinal

2

1 reference

7 November 2017

J Lau

series ordinal

3

1 reference

7 November 2017

language of work or name

English

0 references

publication date

1 April 2001

1 reference

7 November 2017

1 reference

7 November 2017

322

1 reference

7 November 2017

7291

1 reference

7 November 2017

879-880

1 reference

Randomized, controlled trials, observational studies, and the hierarchy of research designs

7 November 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1120057

A comparison of observational studies and randomized, controlled trials

27 May 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1120057

Issues in comparisons between meta-analyses and large trials.

27 May 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1120057

Summing up evidence: one answer is not always enough.

27 May 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1120057

The effect of vitamin E and beta carotene on the incidence of lung cancer and other cancers in male smokers

27 May 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1120057

Vitamin E supplementation and cardiovascular events in high-risk patients

27 May 2018

1 reference

PubMed

https://pubmed.ncbi.nlm.nih.gov/11302887

inferred from PubMed ID database lookup

12 December 2020

based on heuristic

Randomized trials or observational tribulations?

1 reference

PubMed

https://pubmed.ncbi.nlm.nih.gov/11302887

inferred from PubMed ID database lookup

12 December 2020

based on heuristic

Identifiers

DOI

10.1136/BMJ.322.7291.879

1 reference

7 November 2017

1 reference

7 November 2017

1 reference