title: Physiological effects of melatonin. Chairman's introduction.
mesh_terms: D000818:Animals; D007986:Luteinizing Hormone / Q000378:metabolism; D008550:Melatonin / Q000502:physiology*; D010507:Periodicity; D010870:Pineal Gland / Q000502:physiology*; D012098:Reproduction
chemical_list: D007986:Luteinizing Hormone; D008550:Melatonin