title: Experience with botulinum toxin type A in medically intractable pediatric chronic daily headache.
authors.affiliation: Mayo Clinic College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.
authors.forename: Karman
authors.initials: K
authors.lastname: Ahmed
authors.forename: Kimberly Hall
authors.initials: KH
authors.lastname: Oas
authors.forename: Kenneth J
authors.initials: KJ
authors.lastname: Mack
authors.forename: Ivan
authors.initials: I
authors.lastname: Garza