曹元恒 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "曹元恒" in Chinese language version.

refsWebsite

Global rank Chinese rank

2books.google.com

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books.google.com

谢阳谷. 百年北京中医. 化学工业出版社. 2007: 9–10. ISBN 978-7-122-01106-0.
陈可冀; 李春生. 中国宮廷医学. 中国青年出版社. 2003: 681–682.