L M Hammes, A E Treloar. Show Affiliations »
Abstract
Mesh: See more » Birth CertificatesDelivery, ObstetricFemaleGestational AgeHumansMenstruationPregnancyTime FactorsUnited States
Year: 1970 PMID: 5465461 PMCID: PMC1349136 DOI: 10.2105/ajph.60.8.1496
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572