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. 2013 Apr 3;8(4):e60338. doi: 10.1371/journal.pone.0060338

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© 2013 Li et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

PMC Copyright notice

Presentation of the number of Chinese publication of controlled clinical studies of TCM for cancer in each year. The publication numbers of all the studies, journal articles, conference proceedings, dissertations, and the publications reporting funding information are shown respectively.