Abstract
Summary
It has been found that the addition to the bread diet of yeast, vitamin A, large amounts of casein, or CaCO3 and KH2PO4, will not appreciably modify the anaphylactic response in white rats. Apparently rats must be at least 10 weeks of age before they can be used successfully for anaphylactic experiments. Rats poorly nourished to the point where they are losing weight cannot be sensitized to anaphylactic shock.
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