[Incidence and causes of premature delivery among minority groups in the town of Khaskovo].
D002031:Bulgaria; D005260:Female; D006801:Humans; D008913:Minority Groups; D007752:Obstetric Labor, Premature; D011247:Pregnancy
Chestota i prichini za nedonosenostta sred maltsinstvenoto naselenie v khaskovo.