KROKFORS, E Effect of duration of labour, age and parity on the Apgar score of the newborn infant. [electronic resource] - Annales chirurgiae et gynaecologiae Fenniae. Supplementum 1963 - 1-14 p. digital Publication Type: Journal Article ISSN: 0066-2038 Subjects--Topical Terms: Apgar ScoreFemaleHumansInfantInfant, NewbornLabor, ObstetricParityPregnancy