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Are serum zinc and copper levels related to semen quality?
Yuyan L, Junqing W, Wei Y, Weijin Z, Ersheng G. Yuyan L, et al. Fertil Steril. 2008 Apr;89(4):1008-11. doi: 10.1016/j.fertnstert.2007.04.028. Epub 2007 Aug 6. Fertil Steril. 2008. PMID: 17678909 Free article.
Performance of the woman's condom among couples in Shanghai, China.
Zirong H, Junqing W, Coffey PS, Kilbourne-Brook M, Yufeng Z, Wang C, Hongxin Z, Bin W, Yuyan L, Hongbo P. Zirong H, et al. Among authors: yuyan l. Eur J Contracept Reprod Health Care. 2012 Jun;17(3):212-8. doi: 10.3109/13625187.2012.663016. Epub 2012 Apr 12. Eur J Contracept Reprod Health Care. 2012. PMID: 22497293
Initial reactions to the Woman's Condom by potential user groups in Shanghai, China.
Coffey PS, Kilbourne-Brook M, Junqing W, Yufeng Z, Hongxin Z, Bin W, Na L, Rui Z, Yuyan L. Coffey PS, et al. Among authors: yuyan l. J Fam Plann Reprod Health Care. 2013 Apr;39(2):111-20. doi: 10.1136/jfprhc-2011-100211. Epub 2012 Aug 20. J Fam Plann Reprod Health Care. 2013. PMID: 22906855 Free article.
COVID-19, travel restrictions and environmental consequences.
Usman M, Yuyan L, Husnain M, Akhtar MW. Usman M, et al. Among authors: yuyan l. Environ Dev Sustain. 2023 Mar 18:1-21. doi: 10.1007/s10668-023-03146-8. Online ahead of print. Environ Dev Sustain. 2023. PMID: 37363034 Free PMC article.