Screening for reflux.
D002675:Child, Preschool; D005069:Evaluation Studies as Topic; D006801:Humans; D007223:Infant; D008297:Male; D011859:Radiography; D014521:Urethra / Q000000981:diagnostic imaging; D001743:Urinary Bladder / Q000000981:diagnostic imaging; D014718:Vesico-Ureteral Reflux / Q000000981:diagnostic imaging* / Q000235:genetics