title: Studies of prognosis: progress and pitfalls.
authors: Department of Medicine, Cornell University Medical College, New York, New York.
authors: M E
authors: ME
authors: Charlson
mesh_terms: D003625:Data Collection; D004812:Epidemiologic Methods; D006801:Humans; D011379:Prognosis; D011446:Prospective Studies; D012107:Research Design; D012189:Retrospective Studies