title: Letter: Possible analgesic action of L-dopa.
mesh_terms: D000700:Analgesics; D001921:Brain / Q000378:metabolism; D006801:Humans; D007980:Levodopa / Q000378:metabolism / Q000494:pharmacology*; D012459:Salicylates / Q000096:biosynthesis
chemical_list: D000700:Analgesics; D012459:Salicylates; D007980:Levodopa