[On protracted delivery in occipito-posterior presentations. I. Relation to maternal age, to the number of previous deliveries, to the bearing time, to the rupture of the fetal membranes and to perinatal fever].
D036861:Delivery, Obstetric; D005321:Extraembryonic Membranes; D005260:Female; D006801:Humans; D007746:Labor Presentation; D008423:Maternal Age; D036801:Parturition; D011247:Pregnancy
LABOR PRESENTATION