STATISTICAL ANALYSIS OF PATIENTS WITH  URETERAL CALCULI.
D044383:Black People; D002623:Chemistry Techniques, Analytical; D000013:Congenital Abnormalities; D003558:Cystoscopy; D006801:Humans; D013223:Statistics as Topic; D013514:Surgical Procedures, Operative; D014514:Ureteral Calculi
ABNORMALITIES; CHEMISTRY, ANALYTICAL; CYSTOSCOPY; NEGROES; STATISTICS; SURGERY, OPERATIVE; URETERAL CALCULI