title: [Effect of melatonin and two synthetic derivatives of the colouring of amphibians (author's transl)].
mesh_terms: D000818:Animals; D001001:Anura / Q000502:physiology*; D004347:Drug Interactions; D008550:Melatonin / Q000032:analysis / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D009638:Norepinephrine / Q000494:pharmacology*; D010654:Phenylbutyrates / Q000494:pharmacology*; D012880:Skin Pigmentation / Q000187:drug effects*
chemical_list: D010654:Phenylbutyrates; D008550:Melatonin; D009638:Norepinephrine
vernacular_title: Acción de melatonina y de dos derivados de síntesis sobre la coloración de piel de anfibios