[1] Wu CL,Marsh A,Dworkin RH.The role of sympathetic nerve blocks in herpes zoster and postherpetic neuralgia.Pain,2000,87:121-129. [2] Kost RG,Straus SE.Postherpetic neuralgia--pathogenesis,treatment,and prevention.N Engl J Med,1996,335:32-42. [3] Schmader K.Postherpetic neuralgia in immunocompetent elderly people.Vaccine,1998,16:1768-1770. |