bonediseases bones calcium calciummetabolismdisorders calculi congresses diseases disorders etiology humansbonesdiseases humanskidneyssurgery kidney kidneycalculi kidneys metabolism methods physiology rc916 surgery treatment urinaryorgans urologicsurgicalprocedures w3in9272nd1983u we200m58651984 we200m58651993 wj100i631983u wj100s8775 wj356i62u1976 wj356r393p1968