title: How to define the best efficacy parameters for migraine.
authors.affiliation: Department of Neurology, Bispebjerg Hospital, Copenhagen, Denmark.
authors.forename: P
authors.initials: P
authors.lastname: Tfelt-Hansen
mesh_terms: D000700:Analgesics / Q000627:therapeutic use*; D006801:Humans; D008881:Migraine Disorders / Q000188:drug therapy*; D010147:Pain Measurement; D016896:Treatment Outcome
chemical_list: D000700:Analgesics