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Abstract
Mesh: See more » FemaleFetal Diseases/diagnosisFetal Heart/physiopathologyHeart RateHumansPregnancyPrenatal Care/methodsPrenatal Diagnosis/methods
Year: 1978 PMID: 719338 PMCID: PMC1608345
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447