title: [Determinants in the drop in infant mortality in Costa Rica].
mesh_terms: D001721:Birth Intervals; D002648:Child; D003364:Costa Rica; D006291:Health Policy; D006801:Humans; D007226:Infant Mortality; D011320:Primary Health Care; D012959:Socioeconomic Factors
vernacular_title: Determinantes del descenso de la mortalidad infantil en Costa Rica.