Percutaneous nephrostomy as an aid in the management of obstructing calculi in the severely ill patient.
D006801:Humans; D007668:Kidney / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging / Q000628:therapy*; D014545:Urinary Calculi / Q000000981:diagnostic imaging / Q000628:therapy*; D014567:Urography