title: A simple method of pyonephrosis drainage.
mesh_terms: D000208:Acute Disease; D000772:Anesthesia, Local; D004322:Drainage / Q000295:instrumentation*; D006801:Humans; D008722:Methods; D009339:Needles; D009401:Nephrosis / Q000601:surgery*; D013492:Suppuration / Q000601:surgery / Q000628:therapy; D013537:Sutures; D014546:Urinary Catheterization / Q000295:instrumentation