APA

Sung N., Kwak-Kim J., Koo H. S. & Yang K. M. (20170309). Serum hCG-β levels of postovulatory day 12 and 14 with the sequential application of hCG-β fold change significantly increased predictability of pregnancy outcome after IVF-ET cycle. : Journal of assisted reproduction and genetics.

Chicago

Sung Nayoung, Kwak-Kim Joanne, Koo H S and Yang K M. 20170309. Serum hCG-β levels of postovulatory day 12 and 14 with the sequential application of hCG-β fold change significantly increased predictability of pregnancy outcome after IVF-ET cycle. : Journal of assisted reproduction and genetics.

Harvard

Sung N., Kwak-Kim J., Koo H. S. and Yang K. M. (20170309). Serum hCG-β levels of postovulatory day 12 and 14 with the sequential application of hCG-β fold change significantly increased predictability of pregnancy outcome after IVF-ET cycle. : Journal of assisted reproduction and genetics.

MLA

Sung Nayoung, Kwak-Kim Joanne, Koo H S and Yang K M. Serum hCG-β levels of postovulatory day 12 and 14 with the sequential application of hCG-β fold change significantly increased predictability of pregnancy outcome after IVF-ET cycle. : Journal of assisted reproduction and genetics. 20170309.