title: Effect of adrenergic stimulation and blockade on melatonin secretion in the human.
mesh_terms: D000328:Adult; D002940:Circadian Rhythm; D006801:Humans; D007980:Levodopa / Q000494:pharmacology; D008297:Male; D008550:Melatonin / Q000378:metabolism*; D009921:Metaproterenol / Q000494:pharmacology*; D010870:Pineal Gland / Q000187:drug effects / Q000378:metabolism; D011433:Propranolol / Q000494:pharmacology*; D012621:Seasons
chemical_list: D007980:Levodopa; D009921:Metaproterenol; D011433:Propranolol; D008550:Melatonin