Topical acyclovir treatment of herpes zoster in immunocompromised patients.
Levin MJ, Zaia JA, Hershey BJ, Davis LG, Robinson GV, Segreti AC. Topical acyclovir treatment of herpes zoster in immunocompromised patients. J Am Acad Dermatol. 1985 Oct; 13(4):590-6.