to investigate the effect of fluoride on the mobilization of skeletal magnesium and on kidney calcification during magnesium depletion , male holtzman rats were fed a magnesium-sufficient diet ( 400 ppm of magnesium ) and drinking water containing either 0 , 50 or 100 ppm of fluoride for a 20-day period prior to the initiation of magnesium deficiency .
C0024467
magnesium
C0024473
of magnesium deficiency