title: [Polyvalence in the network of polarity, wager or reality?].
authors.affiliation: Groupe hospitalier Paris Saint-Joseph.
authors.forename: Françoise
authors.initials: F
authors.lastname: Laurent
mesh_terms: D005602:France; D006801:Humans; D009741:Nursing Staff, Hospital / Q000191:economics* / Q000458:organization & administration*; D012456:Salaries and Fringe Benefits; D012945:Social Values