title: [Perinatal mortality in twins].
mesh_terms: D036861:Delivery, Obstetric; D005260:Female; D005859:Germany, East; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007746:Labor Presentation; D011247:Pregnancy; D014427:Twins