1. Maibach HI, Johnson HL. Contact urticaria syndrome: contact urticaria to diethyltoluamide (immediate type hypersensitivity). Arch Dermatol. 1975;111:726–30.
2. Gimenez-Arnau AM, Maibach H. Contact Urticaria. Immunol Allergy Clin North Am. 2021;41:467–80.
3. Fisher AA. Contact dermatitis. 2nd ed. Philadelphia: Lea & Febiger; 1973. p. 283–6.
4. Gimenez-Arnau A, Maurer M, De La Cuadra J, Maibach H. Immediate contact skin reactions, an update of contact urticaria, contact urticaria syndrome and protein contact dermatitis – “a never ending story.” Eur J Dermatol. 2010;20:552–62.
5. Vethachalam S, Persaud Y. Contact urticaria. StatPearls, Treasure Island (FL): StatPearls Publishing; 2021. https://www.ncbi.nlm.nih.gov/books/NBK549890/. Updated 3 Aug 2021.