[A further possible reduktion of perinatal twin mortality].
D003604:Czechoslovakia; D036861:Delivery, Obstetric; D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D007744:Obstetric Labor Complications; D011247:Pregnancy; D014427:Twins
K moznostem dalsího snizovámí perinatálí  umrinosti dvojcat