title: [The contract of polarity in practice].
authors.affiliation: Groupe hospitalier Lariboisière-Fernand Widal, AP-HP, Paris.
authors.forename: Philippe
authors.initials: P
authors.lastname: Beaufils
authors.forename: Denis
authors.initials: D
authors.lastname: Baraille
authors.forename: François
authors.initials: F
authors.lastname: Matisse
authors.forename: Patrick
authors.initials: P
authors.lastname: Schurando
authors.forename: Caroline
authors.initials: C
authors.lastname: McAree
mesh_terms: D002017:Budgets; D003284:Contract Services / Q000458:organization & administration; D005602:France; D006801:Humans; D007400:Interprofessional Relations; D009741:Nursing Staff, Hospital / Q000191:economics / Q000458:organization & administration*