H. Kuipers-Upmeijer

Effect of intrathecal baclofen delivered by an implanted programmable pump on health related quality of life in patients with severe spasticity

M. Staal, B. Middel, J. Bouma, 1997, Journal of neurology, neurosurgery, and psychiatry.

Cost Analysis of the Treatment of Severe Spinal Spasticity With a Continuous Intrathecal Baclofen Infusion System

Theo J. B. M. Postma, M. Staal, B. Middel, 1999, PharmacoEconomics.