title: The past, present, and future of opioid anesthetics.
authors.affiliation: Janssen Pharmaceutica Company, Beerse, Belgium.
authors.forename: P
authors.initials: P
authors.lastname: Janssen
mesh_terms: D000701:Analgesics, Opioid; D000777:Anesthetics; D006801:Humans; D009294:Narcotics
chemical_list: D000701:Analgesics, Opioid; D000777:Anesthetics; D009294:Narcotics