title: Inadequate evidence for a revised definition of postherpetic neuralgia (PHN).
authors.forename: Robert H
authors.initials: RH
authors.lastname: Dworkin
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002986:Clinical Trials as Topic; D019317:Evidence-Based Medicine; D005260:Female; D006562:Herpes Zoster / Q000175:diagnosis* / Q000453:epidemiology*; D006801:Humans; D015994:Incidence; D008137:Longitudinal Studies; D008297:Male; D008875:Middle Aged; D051474:Neuralgia, Postherpetic / Q000145:classification* / Q000175:diagnosis / Q000453:epidemiology*; D010147:Pain Measurement / Q000706:statistics & numerical data*; D011379:Prognosis; D018570:Risk Assessment / Q000379:methods*; D012307:Risk Factors; D012720:Severity of Illness Index