L Grennert. Show Affiliations »
Abstract
Mesh: See more » FemaleHumansPregnancyPregnancy, MultiplePrenatal DiagnosisTwinsUltrasonography
Year: 1979 PMID: 519502 PMCID: PMC1597071 DOI: 10.1136/bmj.2.6202.1439-c
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447