[Presence of bile pigments in urinary calculi].
D001663:Bilirubin / Q000032:analysis*; D002129:Calcium Oxalate / Q000032:analysis; D006801:Humans; D008297:Male; D008875:Middle Aged; D013055:Spectrophotometry, Infrared; D014514:Ureteral Calculi / Q000175:diagnosis / Q000378:metabolism*; D014961:X-Ray Diffraction
D002129:Calcium Oxalate; D001663:Bilirubin
Presencia de pigmentos biliares en cálculos urinarios.