R H Gray. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » Birth OrderEthnic GroupsFemaleFertilityHumansInfantInfant MortalityInfant, NewbornMaternal AgeParityUnited KingdomUnited States
Year: 1975 PMID: 1172379 PMCID: PMC1776007 DOI: 10.2105/ajph.65.10.1113-a
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308