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Case-crossover Studies of Therapeutics: Design Approaches to Addressing Time-varying Prognosis in Elderly PopulationsWANG, Shirley V; GAGNE, Joshua J; GLYNN, Robert J et al.Epidemiology (Cambridge, Mass.). 2013, Vol 24, Num 3, pp 375-378, issn 1044-3983, 4 p.Article
