Thampanya, V., Y. Binthisong, O. Kumsamut, and P. Sriwongpan. “Effect of 5% Lidocaine cream and cold cream compared between plastic wrapper and non plastic wrapper on pain reduction in early healed herpes zoster : A Randomized Clinical Trial”. Thai Journal of Dermatology, vol. 31, no. 4, Oct. 2015, pp. 209-18, https://he02.tci-thaijo.org/index.php/TJD/article/view/282568.