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. 2011 Jun 23;4:18. doi: 10.1186/1756-0381-4-18

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Copyright ©2011 Zheng et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Network of basic Chinese herbs used in the treatment of RA and CHD. This network is constructed with data set downloaded from SinoMed on Aug. 24, 2010. First, a list of Chinese herbs pairs is built under the condition that any two nodes connected with each other by an edge are DescriptorName pairs on co-occurrent frequency. Then, supervised by TCM professionals, four basic Chinese herbs are selected out. Based on the four Chinese herbs, we mining them again in the data set of SinoMed, and construct this network based on the co-occurrent frequency greater equal than "4".