Hanau, D., E. Grosshans, P. Barbier, and C. Benezra. “The Influence of Limonene on Induced Delayed Hypersensitivity to Citral in Guinea Pigs. I. Histological Study”. Acta Dermato-Venereologica 63, no. 1 (January 1, 1983): 1–7. Accessed June 2, 2026. https://medicaljournalssweden.se/actadv/article/view/7834.