Disorders of the Nervous System Caused by Drugs, Toxins, and Chemical Agents, Opiates and Synthetic Analgesic Drugs
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Treatment of Herpes Zoster and Postherpetic Neuralgia
BMJ 326:748-750, Johnson,R.W. &Dworkin,R.H., 2003
Postherpetic Neuralgia-Pathogenesis, Treatment and Prevention
NEJM 335:32-42, Kost,R.G.&Straus,S.E., 1996