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Abstract
Mesh: See more » Abortion, Incomplete/diagnosisAbortion, Threatened/diagnosisFemaleHumansPregnancyPregnancy TestsUltrasonography
Year: 1976 PMID: 1268545 PMCID: PMC1639866 DOI: 10.1136/bmj.1.6017.1034
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447