METHODS	The effect of calcium ( 0 , 100 , and 200 mg/test meal ) on iron absorption in the absence and presence of AA ( 0 , 42.5 , and 85 mg/test meal ) from a casein/whey-based drink fortified with ferrous sulfate was assessed in a series of randomized crossover studies both in iron-replete ( IR ) Indian schoolchildren and in children with iron deficiency anemia ( IDA ) ( 6-11 y ; n = 14-16 / group ) by using stable isotopes .\