[Reciprocal equilibrium in cleft defects].
D002971:Cleft Lip / Q000453:epidemiology*; D002972:Cleft Palate / Q000453:epidemiology*; D003604:Czechoslovakia; D005260:Female; D006801:Humans; D008297:Male; D012744:Sex Ratio
Reciproká rovnováha u rozstĕpových vad.