Grant, D M Comparison of valaciclovir and acyclovir for the treatment of herpes zoster in immunocompetent patients over 50 years of age: a cost-consequence model. [electronic resource] - Pharmacotherapy - 333-41 p. digital Publication Type: Clinical Trial; Clinical Trial, Phase III; Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial ISSN: 0277-0008 Subjects--Topical Terms: Acute DiseaseAcyclovir--analogs & derivativesAgedAntiviral Agents--economicsCost of IllnessCost-Benefit AnalysisDouble-Blind MethodDrug CostsHerpes Zoster--drug therapyHumansMiddle AgedSensitivity and SpecificityValacyclovirValine--analogs & derivatives