title: Taxonomic and evolutionary significance of biogenic amines and polypeptides occurring in amphibian skin. I. Neotropical leptodactylid frogs.
mesh_terms: D000588:Amines / Q000032:analysis; D000818:Animals; D001001:Anura / Q000145:classification*; D005075:Biological Evolution; D002854:Chromatography, Paper; D010455:Peptides / Q000032:analysis; D012867:Skin / Q000032:analysis*
chemical_list: D000588:Amines; D010455:Peptides