“…During the last few years Fink and his collaborators have reported a series of experiments which demonstrated that a large proportion of samples of roller-dried skim-milk, and some spray-dried powders, caused liver necrosis in rats under conditions in which fresh milk did not (119,120,121,122,123,124). The albino rats used in these experiments received a diet containing 10 % of milk protein which constituted over 90 % of the protein of the diet and they remained on the experimental diet for up to 120 days.…”