Sato, I [Posture at delivery and associated physiological changes]. [electronic resource] - Josanpu zasshi = The Japanese journal for midwife Apr 1983 - 301-11 p. digital Publication Type: Journal Article ISSN: 0047-1836 Subjects--Topical Terms: Delivery, Obstetric--methodsFemaleHumansInfant, NewbornLabor, ObstetricPosturePregnancyUterine Contraction