[Human sex ratio in the embryonic period and among the newborn].
D004622:Embryo, Mammalian; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D009031:Moscow; D011247:Pregnancy; D012728:Sex Chromatin / Q000032:analysis; D012744:Sex Ratio
Sootnoshenie polov u cheloveka v émbrional'nom periode i sredi novorozhdennykh.