Dimensions of the male urethra in boys till 4 years.
D000367:Age Factors; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D008297:Male; D014521:Urethra / Q000033:anatomy & histology / Q000254:growth & development*