Letter: Epidemiology of hypospadias.
D005260:Female; D006115:Greece; D006801:Humans; D007021:Hypospadias / Q000453:epidemiology* / Q000209:etiology; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D012621:Seasons; D013997:Time Factors; D014852:Wales