[Twin births, with special attention to a decrease in perinatal mortality].
D001288:Attention; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn / Q000706:statistics & numerical data; D054238:Perinatal Mortality; D011247:Pregnancy; D014427:Twins / Q000706:statistics & numerical data*
INFANT, NEWBORN/statistics; TWINS/statistics
Tvillingfødsel, med saerligt henblik på nedsaettelse af den perinatale dødelighed.