| Literature DB >> 7804039 |
Abstract
Keywords: Biomedical and Behavioral Research; British Journal of Obstetrics and Gynaecology
Mesh:
Year: 1994 PMID: 7804039 PMCID: PMC2541615 DOI: 10.1136/bmj.309.6967.1459
Source DB: PubMed Journal: BMJ ISSN: 0959-8138