K O RENKONEN, O MAKELA, R LEHTOVAARA. Show Affiliations »
Abstract
Entities: Species
Keywords: BIRTH ORDER; SEX
Mesh: See more » Birth OrderHumansSexSex Ratio
Year: 1962 PMID: 14491479 DOI: 10.1038/194308b0
Source DB: PubMed Journal: Nature ISSN: 0028-0836 Impact factor: 49.962