| Literature DB >> 14141463 |
J F DONNELLY, C E FLOWERS, R N CREADICK, H B WELLS, B G GREENBERG, K B SURLES.
Abstract
Keywords: BIRTH ORDER; ETHNOLOGY; INFANT, NEWBORN; INFANT, PREMATURE; INFANT, PREMATURE, DISEASES; MATERNAL WELFARE; NORTH CAROLINA; PREGNANCY; SOCIAL CONDITIONS; STATISTICS
Mesh:
Year: 1964 PMID: 14141463 DOI: 10.1016/0002-9378(64)90738-0
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661