abstract Cohort studies can provide valuable information unavailable from randomised trials, but readers need to be alert to possible flaws
authors Rochon, Paula A Gurwitz, Jerry H Sykora, Kathy Mamdani, Muhammad Streiner, David Lloyd Garfinkel, Susan Normand, Sharon-Lise T Geoffrey, M
has subject area 1103 Clinical Sciences (FoR) 1117 Public Health and Health Services (FoR) Cohort Studies (MeSH) General & Internal Medicine (Science Metrix) Randomized Controlled Trials as Topic (MeSH) Research Design (MeSH) Selection Bias (MeSH)