A Phytochemically Characterized Extract of Cordyceps militaris and Cordycepin Protect Hippocampal Neurons from Ischemic Injury in Gerbils - Hwang, In Koo; Lim, Soon Sung; Yoo, Ki-Yeon; Lee, Yeon Sil; Kim, Ho Gyoung; Kang, Il-Jun; Kwon, Hyung Joo; Park, Jinseu; Choi, Soo Young; Won, Moo-Ho (Planta Medica, 2008)