M E DAVIS. Show Affiliations »
Abstract
Entities: Disease
Keywords: OBSTETRICS/statistics
Mesh: See more » Delivery, ObstetricFemaleHumansLabor, ObstetricObstetrics/statistics & numerical dataPregnancy
Year: 1960 PMID: 13814495 DOI: 10.1001/jama.1960.03020050001001
Source DB: PubMed Journal: J Am Med Assoc ISSN: 0002-9955