title: [Clinical evaluation of perinatal mortality in twins].
mesh_terms: D001720:Birth Injuries; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious; D011272:Pregnancy, Multiple
vernacular_title: Kliniczna ocena śmiertelności okołoporodowej bliźniat.