title: [Public health: a field of study and an arena for action].
authors.forename: J
authors.initials: J
authors.lastname: Frenk
mesh_terms: D006302:Health Services Research; D008962:Models, Theoretical; D011634:Public Health / Q000193:education; D000078329:Workforce
vernacular_title: La salud pública: campo del conocimiento y ámbito para la acción.