Neuroprotective effects of Arctium lappa L. roots against glutamate-induced oxidative stress by inhibiting phosphorylation of p38, JNK and ERK 1/2 MAPKs in PC12 cells - Tian, X; Shuang, S; Jin, H; Bai, J P; Ren, T S; Zhao, Q C (Environ Toxicol Phar, 2014)