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c methods. ? Hua Tuo (華佗 ), of the Eastern Han Dynasty, specialized in medicine (內科 ), surgery (外科 ), gynecology (婦科 ) and pediatrics (兒科 ). He invented a general anesthetic Mafeisan (麻醉劑 “ 麻沸散 ” ) and a system of therapeutical (醫(yī)療的 ) exercises called “the Fiveanimal exercises” (五禽戲 ). ? Zhang Zhongjing (張仲景 ), of the Eastern Han Dynasty, was the author of a famous medical works called Treatise on Febrile and Miscellaneous Disease 《 傷寒雜病論 》 . The works consists of over 300 prescriptions and 200 medicines. ? Li Shizhen (李時珍 ) of the Ming Dynasty, whose monumental masterpiece, Compendium of Meteria Medica (本草綱目 ), includes 1,892 medicinal substances, 11,096 prescriptions, and 1,162 illustrations. Discussion(10 minutes) ? Chinese traditional medicine and Western medicine, which do you prefer?