Women's age, weight, parity and offspring sex ratio: a comment on the paper of Helle.
James
William H
WH
D000728:Androgens / Q000097:blood; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D009765:Obesity / Q000097:blood; D010298:Parity; D011247:Pregnancy; D012744:Sex Ratio
D000728:Androgens