title: [Rumbling of a butterfly wing].
authors.affiliation: CRES Picardie, 70 rue des Jacobins, BP 503, 80000 Amiens.
authors.forename: Philippe
authors.initials: P
authors.lastname: Lorenzo
mesh_terms: D005602:France; D006266:Health Education; D006291:Health Policy / Q000331:legislation & jurisprudence*; D006293:Health Promotion; D006801:Humans; D007348:Insurance, Health / Q000331:legislation & jurisprudence; D011634:Public Health / Q000331:legislation & jurisprudence*; D012040:Regional Health Planning / Q000331:legislation & jurisprudence*; D012959:Socioeconomic Factors