title: Cohort studies of aetiology and prognosis: they're different.
authors.affiliation: Neuroscience Research Australia; School of Medical Sciences, University of New South Wales, NSW, Australia.
authors.forename: Robert D
authors.initials: RD
authors.lastname: Herbert
mesh_terms: D015331:Cohort Studies; D004194:Disease / Q000209:etiology*; D006801:Humans; D017063:Outcome Assessment, Health Care; D011237:Predictive Value of Tests; D011379:Prognosis; D012107:Research Design