M Zahalkova. Show Affiliations »
Abstract
Mesh: See more » Birth RateCzechoslovakiaFemaleHumansInfant MortalityInfant, NewbornMalePregnancySeasonsSex RatioStatistics as TopicTime FactorsTwins
Year: 1974 PMID: 4474776 DOI: 10.1017/s1120962300024720
Source DB: PubMed Journal: Acta Genet Med Gemellol (Roma) ISSN: 0001-5660