| Literature DB >> 13158442 |
H W LONGYEAR, H A OTT, P SUTTON.
Abstract
Entities:
Keywords: DEATH; MATERNAL WELFARE; VITAL, STATISTICS
Mesh:
Year: 1954 PMID: 13158442 DOI: 10.1016/s0002-9378(16)38497-6
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661