Botulinum toxin type B: a double-blind, placebo-controlled, safety and efficacy study in cervical dystonia.
Lew MF, Adornato BT, Duane DD, Dykstra DD, Factor SA, Massey JM, Brin MF, Jankovic J, Rodnitzky RL, Singer C, Swenson MR, Tarsy D, Murray JJ, Koller M, Wallace JD.
Lew MF, et al. Among authors: massey jm.
Neurology. 1997 Sep;49(3):701-7. doi: 10.1212/wnl.49.3.701.
Neurology. 1997.
PMID: 9305326
Clinical Trial.