[The relation of episiotomy to 3d degree rupture in spontaneous vertex presentation].
D004841:Episiotomy; D005260:Female; D006801:Humans; D007746:Labor Presentation; D010502:Perineum / Q000293:injuries*; D011247:Pregnancy; D012421:Rupture
Vztah episiotomie k rupture hráze III. stupnĕ u spontánních porodů záhlavím.