Bragg, AN. Is Heterodon venomous? Herpetologica 1960; 16, 121-3 --- Grogan, W.L. Effects of accidental envenomation from the saliva of the eastern hognose snake, Heterodon platyrhinos. Herpetologica 1976; 30, 248-9. --- Kroll, J.e. Feeding adaptations of hognose snakes. Southwest Nat 1976; 20, 537-57. --- Fuller, G. Notesfrom NOAH. Northern Ohio Association of Herpetologists 1981; Oct 27: 11 --- Morris, M.A Envenomation from the bite of Heterodon nasicus (Serpentes Colubridae).
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