I. Vinik, A., S. Perrot, E. Vinik, L. Pazdera, M. Stoker, R. Snijder, E. Ortega, and N. Katz. “Repeat Treatment With Capsaicin 8% Patch (179mg Capsaicin Cutaneous patch): Effects on Pain, Quality of Life, and Patient Satisfaction in Painful Diabetic Peripheral Neuropathy: An Open-Label, Randomized Controlled Clinical Trial”. Journal of Current Medical Research and Opinion, vol. 2, no. 12, Dec. 2019, pp. 388-01, doi:10.15520/jcmro.v2i12.242.