title: Howard Fields, M.D.: Bonica lecturer.
authors.forename: Oscar
authors.initials: O
authors.lastname: de Leon Casasola
mesh_terms: D000701:Analgesics, Opioid / Q000266:history*; D000765:Anesthesia, Conduction / Q000266:history*; D001363:Awards and Prizes; D016739:Behavior, Addictive / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D010146:Pain / Q000266:history*; D012955:Societies, Medical; D014481:United States
chemical_list: D000701:Analgesics, Opioid