Progress report on the Thomas A. Davis stone extractor.
D004864:Equipment and Supplies; D006801:Humans; D058028:Research Report; D014545:Urinary Calculi / Q000601:surgery*; D013520:Urologic Surgical Procedures; D014572:Urology / Q000600:supply & distribution*
URINARY CALCULI/surgery; UROLOGY/equipment and supplies