title: A comparison of the two evidence-based drug therapies for chronic migraine.
authors.affiliation: Park Nicollet Headache Center at Park Nicollet Health Services, University of Minnesota School of Medicine, 3931 Louisiana Avenue South, W-505 Meadowbrook Building, Minneapolis, MN 55426, USA. taylo102@umn.edu
authors.forename: Frederick R
authors.initials: FR
authors.lastname: Taylor