total body potassium ( tb k ) and daily urinary creatinine excretion were measured in 12 patients with mild chronic renal disease ( ccr/1.73 m2 bsa greater than 40 ml/min , group i ) and 12 patients with severe renal disease ( ccr/1.73 m2 bsa less than 19 ml/min , group ii ) .
C0022661
chronic renal disease
C0022646
renal