Lin, C C Deceleration/contraction ratios as an index of fetal health during labor. [electronic resource] - Obstetrics and gynecology Jun 1978 - 666-70 p. digital Publication Type: Journal Article ISSN: 0029-7844 Subjects--Topical Terms: Acidosis--diagnosisApgar ScoreDelivery, Obstetric--methodsFemaleFetal Diseases--diagnosisFetal Heart--physiopathologyHeart RateHumansHydrogen-Ion ConcentrationInfant, NewbornLabor, ObstetricPregnancyProbabilityRiskUterine Contraction