Zhang Ma still wanted to stir up trouble. Hearing the madam calling her, she said, "Miss Yusha, don't be sad. Madam called me, I'll go see what she wants."After hanging up the phone, Li Yusa stood in...ity led a team to research day and night, resulting in this miracle drug.Li Sen had noticed that news story. At the time, he thought Professor Yan was very capable because no one else in the world cou...