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.
Webster
Lynn R
LR
Lifetree Clinical Research and Pain Clinic, Salt Lake City, Utah, USA.
Tark
Marvin
M
Rauck
Richard
R
Tobias
Jeffrey K
JK
Vanhove
Geertrui F
GF