Nattkemper, L.A. et al. 2023. Prolonged Antipruritic Effect of Botulinum Toxin Type A on Cowhage-induced Itch: A Randomized, Single-blind, Placebo-controlled Trial. Acta Dermato-Venereologica. 103, (Aug. 2023), adv6581. DOI:https://doi.org/10.2340/actadv.v103.6581.