[Childbirth without violence: for the welfare of infants. Practice of "super-natural childbirth"].
Saito
H
H
Komiya
H
H
D005260:Female; D005316:Fetal Distress / Q000517:prevention & control*; D006801:Humans; D009321:Natural Childbirth / Q000379:methods* / Q000639:trends; D011247:Pregnancy