Abstract
Conclusios
The results reported in this paper leave no doubt that the Eastern cotton rat is markedly susceptible to diphtheric infection and intoxication. While not equalling the extraordinary susceptibility of the guinea pig, the cotton rat appears to be at least many times more susceptible than the highly resistant albino rat. The significance of this observation in relation to the zoological classification of the cotton rat among the group of rodents remains to be determined.
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