adult male were also exposed to a low oral dose of 109cd-labeled cadmium ( 0.5 mg/kg ) , followed by 18 months continuous administration of nta , ( 500 ppm ) stpp ( 500 ppm ) or edta ( 50 ppm ) in the drinking water or the chelating agent in combination with cd ( 50 ppm ) , cd alone ( 50 ppm ) or deionized water .
C0599638
drinking
C0043047
water