title: [How to carry out a good epidemiological study. I. Preparation of a study].
mesh_terms: D002170:Canada; D004812:Epidemiologic Methods; D004813:Epidemiology; D006801:Humans; D008523:MEDLARS; D011792:Quebec; D012107:Research Design; D013223:Statistics as Topic; D014481:United States
vernacular_title: Comment réaliser une bonne étude épidémiologique. Partie I. Préparation d'une étude.