R C Lyle. Show Affiliations »
Abstract
Mesh: See more » Abortion, Threatened/therapyFemaleFetal Death/diagnostic imagingHumansPregnancyPregnancy Trimester, FirstUltrasonography
Year: 1991 PMID: 2059729 PMCID: PMC1670071 DOI: 10.1136/bmj.302.6789.1400-c
Source DB: PubMed Journal: BMJ ISSN: 0959-8138