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Wang PJ, Chou YJ, Lee CH, Pu C.Wang PJ, et al. Among authors: chou yj.Int J Public Health. 2010 Oct;55(5):497-506. doi: 10.1007/s00038-010-0132-9. Epub 2010 Mar 17.Int J Public Health. 2010.PMID: 20237818
Pu C, Huang N, Tang GJ, Chou YJ.Pu C, et al. Among authors: chou yj.BMC Public Health. 2011 Mar 17;11:166. doi: 10.1186/1471-2458-11-166.BMC Public Health. 2011.PMID: 21414184Free PMC article.
Pu C, Huang N, Chou YJ.Pu C, et al. Among authors: chou yj.BMC Med Res Methodol. 2011 Apr 19;11:50. doi: 10.1186/1471-2288-11-50.BMC Med Res Methodol. 2011.PMID: 21501531Free PMC article.