[Incidence, causes and mortality of premature labor in fetal breech presentation].
D001946:Breech Presentation; D002031:Bulgaria; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007746:Labor Presentation; D007752:Obstetric Labor, Premature / Q000453:epidemiology* / Q000209:etiology / Q000401:mortality; D010298:Parity; D011247:Pregnancy
Chestota, prichini i smŭrtnost pri prezhdevremenno razhdane na detsa v sedalishtno predlezhanie.