| Literature DB >> 20341086 |
Abstract
Entities:
Keywords: INFANTS/mortality; MATERNITY/mortality; NEGROES/statistics; VITAL STATISTICS/birthrate; VITAL STATISTICS/mortality
Mesh:
Year: 1946 PMID: 20341086
Source DB: PubMed Journal: Public Health Rep ISSN: 0094-6214 Impact factor: 2.792