Botulinum toxin type B in upper-limb poststroke spasticity: a double-blind, placebo-controlled trial.
Brashear A, McAfee AL, Kuhn ER, Fyffe J. Botulinum toxin type B in upper-limb poststroke spasticity: a double-blind, placebo-controlled trial. Arch Phys Med Rehabil. 2004 May; 85(5):705-9.