| Literature DB >> 14955718 |
R G RECORD, J R GIBSON, T McKEOWN.
Abstract
Entities:
Keywords: PREGNANCY, MULTIPLE; VITAL STATISTICS
Mesh:
Year: 1952 PMID: 14955718 DOI: 10.1111/j.1471-0528.1952.tb04151.x
Source DB: PubMed Journal: J Obstet Gynaecol Br Emp ISSN: 0307-1871