title: Experimental studies on intravesical ultrasonography.
mesh_terms: D000818:Animals; D013552:Swine; D014463:Ultrasonography / Q000295:instrumentation / Q000379:methods*; D001743:Urinary Bladder / Q000033:anatomy & histology*; D001749:Urinary Bladder Neoplasms / Q000175:diagnosis*