An Opposite-Direction Modulation of the COMT Val158Met Polymorphism on the Clinical Response to Intrathecal Morphine and Triptans
Sarah Cargnin, Francesco Magnani, Michele Viana, Cristina Tassorelli, Daniela Mittino, Roberto Cantello
The Journal of Pain · 2013
10.1016/j.jpain.2013.04.006