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Abstract
Mesh: See more » BloodFemaleFetal Diseases/diagnosisFetal HeartHeart RateHumansHydrogen-Ion ConcentrationInfant, NewbornLabor, ObstetricMonitoring, PhysiologicPregnancyRespiratory Distress Syndrome, Newborn/prevention & control
Year: 1971 PMID: 5547567 PMCID: PMC1795269
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447