title: [25 years of progress in pain therapy: the rocky road to recognition].
authors.forename: Uwe
authors.initials: U
authors.lastname: Kern
authors.forename: Thomas
authors.initials: T
authors.lastname: Nolte
mesh_terms: D000698:Analgesia / Q000266:history*; D000701:Analgesics, Opioid / Q000266:history*; D005858:Germany; D006666:History of Medicine; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D010146:Pain / Q000266:history*; D018710:Pain Clinics / Q000266:history*; D013038:Specialization
chemical_list: D000701:Analgesics, Opioid