Peppin, J. F., Majors, K., Webster, L. R., Simpson, D. M., Tobias, J. K., & Vanhove, G. F. (2011). Tolerability of NGX-4010, a capsaicin 8% patch for peripheral neuropathic pain. Dove Medical Press.

Peppin, John F., Kristine Majors, Lynn R. Webster, David M. Simpson, Jeffrey K. Tobias, and Geertrui F. Vanhove. Tolerability of NGX-4010, a Capsaicin 8% Patch for Peripheral Neuropathic Pain. Dove Medical Press, 2011.

Peppin, John F., et al. Tolerability of NGX-4010, a Capsaicin 8% Patch for Peripheral Neuropathic Pain. Dove Medical Press, 2011.