The ureteral orifice: its configuration and competency.
D002648:Child; D002675:Child, Preschool; D004396:Coloring Agents; D005260:Female; D006801:Humans; D009040:Motion Pictures; D014513:Ureter / Q000033:anatomy & histology* / Q000473:pathology; D014718:Vesico-Ureteral Reflux / Q000473:pathology*
D004396:Coloring Agents