title: [Key points for the analysis of a scientific paper: searching for biases in a clinical trial].
authors: Service de gynécologie-obstétrique et médecine de la reproduction, hôpital Mère-Enfant, CHU de Nantes, 38, boulevard Jean-Monnet, 44093 Nantes cedex, France. asriteau@yahoo.fr
authors: A-S
authors: AS
authors: Riteau