[Multifoetal gravidity (introductory comments)].
D003604:Czechoslovakia; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007752:Obstetric Labor, Premature; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014427:Twins
[Viacplodová gravidita (úvod do problematiky)]