Abstract
Summary
Anemia was produced in growing rats by feeding a ration containing 5% casein and 2% sulfathalidine, to which no pteroylglutamic acid was added. This anemia was prevented either by the addition of pteroylglutamic acid to the diet or by increasing the casein to 20%.
There was no improvement in growth when PGA was added to the 5% casein diet, while 30% casein gave normal growth.
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