Relationship of the antispasticity effect of tizanidine to plasma concentration in patients with multiple sclerosis

P. W. Nance, W. A. Sheremata, S. G. Lynch, T. Vollmer, S. Hudson, G. S. Francis, P. O'Connor, J. A. Cohen, R. T. Schapiro, R. Wliitham, M. K. Mass, J. W. Lindsey, K. Shelknberger