Nattkemper, Leigh A., Ashley Vander Does, Carolyn M. Stull, Michael J. Lavery, Rodrigo Valdes-Rodriguez, Marlene McGregory, Yiong Huak Chan, and Gil Yosipovitch. “Prolonged Antipruritic Effect of Botulinum Toxin Type A on Cowhage-Induced Itch: A Randomized, Single-Blind, Placebo-Controlled Trial”. Acta Dermato-Venereologica 103 (August 16, 2023): adv6581. Accessed August 15, 2024. https://medicaljournalssweden.se/actadv/article/view/6581.