title: [Quaternary prevention and essential prevention].
authors.affiliation: Equipo de Vulnerabilidad Infanto Juvenil, Hospital Teodoro álvarez, Buenos Aires, Argentina. E-mail: sandra.magirena@gmail.com.
authors.forename: Sandra P R
authors.initials: SP
authors.lastname: Magirena
mesh_terms: D006801:Humans; D046650:Medical Subject Headings; D011314:Preventive Health Services / Q000379:methods*
vernacular_title: Prevención cuaternaria y prevención primordial.