References:
Requena L, Kutzner H, Escalonilla P, Ortiz S, Schaller J, Rohwedder A. Cutaneous reactions at sites of herpes zoster scars: an expanded spectrum. Br J Dermatol. 1998 Jan;138(1):161-8. doi: 10.1046/j.1365-2133.1998.02045.x.
Córdoba S, Fraga J, Bartolomé B, García-Díez A, Fernández-Herrera J. Giant cell lichenoid dermatitis within herpes zoster scars in a bone marrow recipient. J Cutan Pathol. 2000 May;27(5):255-7. doi: 10.1034/j.1600-0560.2000.027005255.x.