| Literature DB >> 13252472 |
Abstract
Keywords: ABNORMALITIES/etiology and pathogenesis; AMNION; EMBRYO; PREGNANCY, MULTIPLE
Mesh:
Year: 1955 PMID: 13252472 DOI: 10.1111/j.1471-0528.1955.tb14803.x
Source DB: PubMed Journal: J Obstet Gynaecol Br Emp ISSN: 0307-1871