title: [A project of the French National Birth Cohort: ELFE].
authors.affiliation: Institut national d'études démographiques (Ined) et Institut national de la santé et de la recherche médicale (Inserm), GIS-ELFE, INED, 133, boulevard Davout, 75980 Paris cedex 20, France. leridon@ined.fr
authors.forename: H
authors.initials: H
authors.lastname: Léridon
mesh_terms: D002648:Child; D015331:Cohort Studies; D003710:Demography; D004813:Epidemiology; D005602:France / Q000453:epidemiology; D006801:Humans; D010808:Physical Examination; D011795:Surveys and Questionnaires