Reader's guide to critical appraisal of cohort studies: 1. Role and design.
Rochon
Paula A
PA
Kunin-Lunenfeld Applied Research Unit, Baycrest Centre for Geriatric Care, Toronto, ON, Canada.
Gurwitz
Jerry H
JH
Sykora
Kathy
K
Mamdani
Muhammad
M
Streiner
David L
DL
Garfinkel
Susan
S
Normand
Sharon-Lise T
SL
Anderson
Geoffrey M
GM
D015331:Cohort Studies; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D015983:Selection Bias