M Lloyd, O Lloyd, W Lyster. Show Affiliations »
Abstract
Entities: Chemical
Mesh: See more » FemaleHumansMaleSex PreselectionSex Ratio
Year: 1988 PMID: 3147762 PMCID: PMC1838851 DOI: 10.1136/bmj.297.6664.1627
Source DB: PubMed Journal: BMJ ISSN: 0959-8138