| Literature DB >> 13487874 |
Abstract
Entities:
Keywords: HOSPITALS; INFANT MORTLITY; OBSTETRICS/education; PUBLIC HEALTH
Mesh:
Year: 1958 PMID: 13487874 PMCID: PMC1551453 DOI: 10.2105/ajph.48.1.22
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572