title: Tramadol: a new analgesic.
authors.forename: D
authors.initials: D
authors.lastname: Kupecz
mesh_terms: D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology; D002986:Clinical Trials as Topic; D006801:Humans; D014147:Tramadol / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology
chemical_list: D000701:Analgesics, Opioid; D014147:Tramadol