| Literature DB >> 14041991 |
Abstract
Keywords: INFANT MORTALITY; INFANT, PREMATURE; PREGNANCY, MULTIPLE; PRENATAL CARE
Mesh:
Year: 1963 PMID: 14041991 DOI: 10.1111/j.1471-0528.1963.tb04929.x
Source DB: PubMed Journal: J Obstet Gynaecol Br Emp ISSN: 0307-1871