S Barik, J E Spring, M H Jones, C A Luck. Show Affiliations »
Abstract
Mesh: See more » Diagnostic Tests, RoutineFemaleHumansPregnancyPregnancy OutcomePregnancy Trimester, SecondUltrasonography, Prenatal
Year: 1993 PMID: 8400982 PMCID: PMC1678656 DOI: 10.1136/bmj.307.6903.559-a
Source DB: PubMed Journal: BMJ ISSN: 0959-8138