Observational studies: what is a cohort study?
Tay
Jason
J
University of Ottawa Center for Transfusion Research, Clinical Epidemiology Program, Ottawa Health Research Institute & Ottawa Hospital, Ottawa, Ontario, Canada.
Tinmouth
Alan
A
D002985:Clinical Protocols; D015331:Cohort Studies; D006801:Humans; D011446:Prospective Studies; D012107:Research Design; D012189:Retrospective Studies