Ruan Fangfu (阮芳赋) also called Fang Fu Ruan is a Chinesephysician and medical historian. He is editor and author of ''A Chinese manual of Sex Knowledge'' (性知识手册, Xingzhishi Shouce, 1985). His most famous work is ''Sex in China: Studies in Sexology in Chinese Culture'' (1991). He is a member of the International Encyclopedia of Sexuality (IES).
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