Liu, D T Progression in response patterns of fetal heart rate throughout labour. [electronic resource] - British journal of obstetrics and gynaecology Dec 1975 - 943-51 p. digital Publication Type: Journal Article ISSN: 0306-5456 Standard No.: 10.1111/j.1471-0528.1975.tb00603.x doi Subjects--Topical Terms: Apgar ScoreFemaleFetal Distress--physiopathologyFetal Heart--physiologyHeart RateHumansInfant, NewbornLabor, ObstetricPregnancyUterine Contraction