Libon F, Caron J, Herman A, Nikkels A. Delayed hypersensitivity reaction to cetirizine suggesting involvement of piperazine ring: a case report. Allergol Immunopathol [Internet]. 2026 May 1 [cited 2026 May 2];54(3):184-7. Available from: https://all-imm.com/index.php/aei/article/view/1531