An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Yao YQ, Ng V, Yeung WS, Ho PC.Yao YQ, et al.Andrologia. 1996 Mar-Apr;28(2):127-31. doi: 10.1111/j.1439-0272.1996.tb02768.x.Andrologia. 1996.PMID: 8849048
Qiao J, Yeung WS, Yao YQ, Ho PC.Qiao J, et al. Among authors: yao yq.Hum Reprod. 1998 Jan;13(1):128-31. doi: 10.1093/humrep/13.1.128.Hum Reprod. 1998.PMID: 9512243Clinical Trial.
Yeung WS, Chiu PC, Wang CH, Yao YQ, Ho PC.Yeung WS, et al. Among authors: yao yq.Contraception. 2002 Dec;66(6):453-7. doi: 10.1016/s0010-7824(02)00408-0.Contraception. 2002.PMID: 12499039
Chiu PC, Liao S, Lam KK, Tang F, Ho JC, Ho PC, O WS, Yao YQ, Yeung WS.Chiu PC, et al. Among authors: yao yq.Endocrinology. 2010 Jul;151(7):3336-47. doi: 10.1210/en.2010-0077. Epub 2010 May 5.Endocrinology. 2010.PMID: 20444935
Guo Y, Lee CL, So KH, Gao J, Yeung WS, Yao Y, Lee KF.Guo Y, et al.PLoS One. 2013 Oct 1;8(10):e76023. doi: 10.1371/journal.pone.0076023. eCollection 2013.PLoS One. 2013.PMID: 24098421Free PMC article.