1. The toad, ugly and venomous, wears yet a precious jewel in his skin;Lazarus;Prog. Neurobiol.,1993
2. Active peptides in the skins of one hundred amphibian species from Australia and Papua New Guinea;Erspamer;Comp. Biochem. Physiol.,1984
3. Active peptides in the skins of two hundred and thirty American amphibian species;Erspamer;Comp. Biochem. Physiol.,1986
4. Biogenic amines and active peptides in the skin of fifty-two African amphibian species other than bufonids;Roseghini;Comp. Biochem. Physiol.,1988
5. Biogenic amines and active peptides in extracts of the skin of thirty-two European amphibian species;Roseghini;Comp. Biochem. Physiol.,1989