L B Hays. Show Affiliations »
Abstract
Mesh: See more » Child Health Services/economicsChild Health Services/legislation & jurisprudenceFemaleHumansInfant MortalityInfant, NewbornMaternal Health Services/economicsMaternal Health Services/legislation & jurisprudencePregnancyUnited States
Year: 1990 PMID: 2294314
Source DB: PubMed Journal: JAMA ISSN: 0098-7484 Impact factor: 56.272