Procyanidins attenuate neuropathic pain by suppressing matrix metalloproteinase-9/2. - Pan, Cailong; Wang, Chaoyu; Zhang, Li; Song, Ling; Chen, Yuan; Liu, Bingqian; Liu, Wen-Tao; Hu, Liang; Pan, Yinbing (Journal of Neuroinflammation, 2018)