Wanpaisitkul, Mananya. “Efficiency of 0.0125% Capsaicin Gel on Painful Diabetic Neuropathy”. Journal of Health Science of Thailand 17, no. Supplement III (November 8, 2018): SIII633–639. Accessed December 11, 2025. https://www.thaidj.org/index.php/JHS/article/view/5103.