title: Database analyses: a reply.
authors.affiliation: Hôpital de la Salpetrière, Paris, France.
authors.forename: V
authors.initials: V
authors.lastname: Meininger
mesh_terms: D000690:Amyotrophic Lateral Sclerosis / Q000188:drug therapy; D016208:Databases, Factual / Q000592:standards* / Q000706:statistics & numerical data; D019317:Evidence-Based Medicine; D006801:Humans; D016016:Proportional Hazards Models; D016032:Randomized Controlled Trials as Topic; D012107:Research Design / Q000592:standards