title: Effect of duration of postherpetic neuralgia on efficacy analyses in a multicenter, randomized, controlled study of NGX-4010, an 8% capsaicin patch evaluated for the treatment of postherpetic neuralgia.
authors.affiliation: Lifetree Clinical Research and Pain Clinic, Salt Lake City, Utah, USA.
authors.forename: Lynn R
authors.initials: LR
authors.lastname: Webster
authors.forename: Marvin
authors.initials: M
authors.lastname: Tark
authors.forename: Richard
authors.initials: R
authors.lastname: Rauck
authors.forename: Jeffrey K
authors.initials: JK
authors.lastname: Tobias
authors.forename: Geertrui F
authors.initials: GF
authors.lastname: Vanhove