PICO #4PICO #4- clinical year A Network Meta-Analysis of Randomized Clinical Trials to Assess the Efficacy and Safety of Antiviral Agents for Immunocompetent Patients with Herpes Zoster-Associated Pain – PICO #4 Randomized clinical trial of famciclovir or acyclovir for the treatment of herpes zoster in adults- PICO#4 Comparing Prodrugs with Acyclovir for Treating Postherpetic Neuralgia among Herpes Zoster Patients- A Systematic Review and Meta-Analysis- PICO #4