Determination of anal position index.
Mohta
Anup
A
Goel
Mamta Rani
MR
D001003:Anal Canal / Q000002:abnormalities / Q000033:anatomy & histology*; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male