r 215>"Su Qingye's extraction has always failed." One doctor said helplessly, "There is a substance inside that can enhance memory, but the extraction process must be extremely careful, otherwise the...lial!Wow, that's amazing!In the 301 ward of Beijing Kang Hospital, an elderly woman with white hair lay peacefully in bed.When Xu Aiqin pushed the door open, she was still asleep.This is the VIP ward,...