[Critical analysis of the types of occipital--sacral position].
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007746:Labor Presentation; D008722:Methods; D008875:Middle Aged; D011247:Pregnancy
Análisis crítico de la variedad de posición occipito-sacra.