R L Bernstine, D A Callagan. Show Affiliations »
Abstract
Mesh: See more » FemaleFetal HeartHumansPregnancyUltrasonics
Year: 1966 PMID: 5914120 DOI: 10.1016/0002-9378(66)90554-0
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661