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Gu J, Lau JT, Xu H, Zhong Y, Hao Y, Zhao Y, Fan L, Ling W.Gu J, et al. Among authors: zhao y.AIDS Behav. 2013 Jul;17(6):2002-10. doi: 10.1007/s10461-012-0393-9.AIDS Behav. 2013.PMID: 23413126Review.
Xu H, Gu J, Lau JT, Zhong Y, Fan L, Zhao Y, Hao C, He W, Ling W.Xu H, et al. Among authors: zhao y.Addict Behav. 2012 May;37(5):657-62. doi: 10.1016/j.addbeh.2012.01.020. Epub 2012 Feb 7.Addict Behav. 2012.PMID: 22353775
Gu J, Xu H, Lau JT, Hao Y, Zhong Y, Fan L, Zhao Y, Hao C, Ling W.Gu J, et al. Among authors: zhao y.Addiction. 2012 Sep;107(9):1641-9. doi: 10.1111/j.1360-0443.2012.03859.x. Epub 2012 May 8.Addiction. 2012.PMID: 22360534
Jiao M, Gu J, Xu H, Hao C, Lau JT, Mo P, Liu D, Zhao Y, Zhang X, Babbitt A, Hao Y.Jiao M, et al. Among authors: zhao y.AIDS Care. 2017 May;29(5):660-665. doi: 10.1080/09540121.2016.1255705. Epub 2016 Nov 8.AIDS Care. 2017.PMID: 27825278Free PMC article.
Fan X, Zhang X, Xu H, Yang F, Lau JTF, Hao C, Li J, Zhao Y, Hao Y, Gu J.Fan X, et al. Among authors: zhao y.Int J Environ Res Public Health. 2019 Nov 7;16(22):4337. doi: 10.3390/ijerph16224337.Int J Environ Res Public Health. 2019.PMID: 31703302Free PMC article.Clinical Trial.
Gu J, Zhao YT, Zhong Y, Xu CJ, Pan WL, Fan LR, Xu HF, Wang M.Gu J, et al. Among authors: zhao yt.Zhonghua Yu Fang Yi Xue Za Zhi. 2012 Nov;46(11):999-1003.Zhonghua Yu Fang Yi Xue Za Zhi. 2012.PMID: 23363920Clinical Trial.Chinese.