Cei, J.M., Erspamer, V., and Roseghini, M. 1968. Taxonomic and evolutionary significance of biogenic amines and polypeptides in amphibian skin. II. Toads of the genera Bufo and Melanophryniscus. Syst. Zool. 17:232-245. |
|
Erspamer, V., Vitali, T., Roseghini, M., and Cei, J.M. 1967. 5-Methoxy- and 5-hydroxyindoles in the skin of Bufo alvarius. Biochem. Pharmacol. 16:1149-1164. |
|
Erspamer, V., Vitali, T., Roseghini, M., and Cei, J.M. 1965. 5-Methoxy- and 5-hydroxy-indolealkylamines in the skin of Bufo alvarius. Experientia. 21:504. |
|
Chen, K.K., and Chen, A.L. 1933a. A study of the poisonous secretions of five North American species of toads. J. Pharmacol. Exp. Ther. 49:526-542. |
|