Sickness and sex of child.
Verkuyl
D A
DA
D036861:Delivery, Obstetric / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D006939:Hyperemesis Gravidarum / Q000209:etiology*; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D012737:Sex Factors; D012744:Sex Ratio