title: Ultrasound in association with endoscopy.
mesh_terms: D019723:Endoscopes; D004724:Endoscopy / Q000379:methods; D006801:Humans; D008297:Male; D009403:Nephrostomy, Percutaneous / Q000295:instrumentation; D011469:Prostatic Diseases / Q000175:diagnosis; D014463:Ultrasonography / Q000295:instrumentation* / Q000379:methods