(Q37240672)
Statements
1 reference
Poor quality of reporting confounding bias in observational intervention studies: a systematic review (English)
1 reference
Arno W Hoes
1 reference
Rolf H H Groenwold
1 reference
Anna M M Van Deursen
1 reference
Eelko Hak
1 reference
9 August 2008
1 reference
1 reference
18
1 reference
10
1 reference
746-751
1 reference
Identifiers
1 reference
1 reference