L Rosero Bixby. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » Birth IntervalsChildCosta RicaHealth PolicyHumansInfant MortalityPrimary Health CareSocioeconomic Factors
Year: 1985 PMID: 2937427
Source DB: PubMed Journal: Bol Oficina Sanit Panam ISSN: 0030-0632