C195 Brain Arteries Blocked

Zhang Yunfeng knew he couldn't take Verdilin, but he didn't know how to organize it. He couldn't tell the truth, could he? Was there something wrong with this medicine? Who would believe him? After all, this medicine should be the hottest and most popular in the Western Meiyang Country market right now. Moreover, the side effects were not something that could be discovered in a day or two