title: [Introduction to randomized trials: selection bias].
authors: Service de gynécologie-obstétrique, médecine fœtale et reproduction humaine, CHRU de Bretonneau, 2, boulevard Tonnellé, 37044 Tours cedex, France. emmanuel.simon@univ-tours.fr
authors: E G
authors: EG
authors: Simon
authors: C J
authors: CJ
authors: Fouché
authors: F
authors: F
authors: Perrotin
mesh_terms: D016032:Randomized Controlled Trials as Topic / Q000379:methods / Q000706:statistics & numerical data*; D015983:Selection Bias