title: The role of the fentanyl series for pain management: novel delivery systems.
mesh_terms: D000279:Administration, Cutaneous; D016503:Drug Delivery Systems; D005283:Fentanyl / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D010146:Pain / Q000188:drug therapy*
chemical_list: D005283:Fentanyl