title: The Study Design Used Was Wrong But the Conclusions Made About the Drug Were Later Found to Be Correct.
authors.affiliation: Gothenburg Migraine Clinic AB, Gothenburg, Sweden. carl.s.dahlof@telia.com.
authors.forename: Carl
authors.initials: C
authors.lastname: Dahlöf
mesh_terms: D006801:Humans; D012107:Research Design