[Possible fate of conceived twins and the birth of a single viable fetus--the "vopiscus"].
D002657:Child Development; D005260:Female; D005313:Fetal Death; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014427:Twins
O mogućoj sudbini zametnutih blizanaca i konacnom rodenju samo jednog zivog ploda "jedinka-vopiscus-a".