title: Melatonin. Pineal gland hormone--a brief review.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008550:Melatonin / Q000008:administration & dosage* / Q000172:deficiency* / Q000502:physiology; D010870:Pineal Gland / Q000187:drug effects / Q000502:physiology*; D012890:Sleep / Q000502:physiology; D012893:Sleep Wake Disorders / Q000517:prevention & control