title: Challenges of managing chronic pain.
authors.affiliation: Division of Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
authors.forename: Jianren
authors.initials: J
authors.lastname: Mao
mesh_terms: D000700:Analgesics / Q000627:therapeutic use; D059350:Chronic Pain / Q000628:therapy*; D006801:Humans; D059408:Pain Management / Q000379:methods*
chemical_list: D000700:Analgesics