fourteen experiments were concluded on the effect of protein and carbohydrate sources in the assay diets on the relative biological values ( rbv ) of food grade sodium iron pyrophosphate ( nafepp ) and ferric orthophosphate ( fepo4 ) vs. ferrous sulfate ( feso4 ) for rats and chicks , using the response in blood hemoglobin to graded levels of supplemental iron as the assay criterion .
C0302583
iron
C0060282
ferrous