Morris, J., Straube, A., Diener, H., Ahmed, F., Silver, N., Walker, S., . . . Gaul, C. (2016). Cost-effectiveness analysis of non-invasive vagus nerve stimulation for the treatment of chronic cluster headache. J Headache Pain.

Morris, James, Andreas Straube, Hans-Christoph Diener, Fayyaz Ahmed, Nicholas Silver, Simon Walker, Eric Liebler, und Charly Gaul. "Cost-effectiveness Analysis of Non-invasive Vagus Nerve Stimulation for the Treatment of Chronic Cluster Headache." J Headache Pain 2016.

Morris, James, et al. "Cost-effectiveness Analysis of Non-invasive Vagus Nerve Stimulation for the Treatment of Chronic Cluster Headache." J Headache Pain 2016.