[Interpretation of epidemiologic studies].
Schaffer
Paul
P
Laboratoire d'épidémiologie et de santé publique, faculté de médecine, 67085 Strasbourg.
Velten
Michel
M
D015986:Confounding Factors, Epidemiologic; D016021:Epidemiologic Studies; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D013223:Statistics as Topic