Zhu, H., Liu, L., Yang, L., Xue, Y., Tong, X., Jiang, L., & Zhang, S. (2014). The effect of progesterone level prior to oocyte retrieval on the numbers of oocytes retrieved and embryo quality in IVF treatment cycles: An analysis of 2,978 cycles. Springer US.

Zhu, Haiyan, Liu Liu, Lingyun Yang, Yamei Xue, Xiaomei Tong, Lingying Jiang, ja Songying Zhang. The Effect of Progesterone Level Prior to Oocyte Retrieval On the Numbers of Oocytes Retrieved and Embryo Quality in IVF Treatment Cycles: An Analysis of 2,978 cycles. Springer US, 2014.

Zhu, Haiyan, et al. The Effect of Progesterone Level Prior to Oocyte Retrieval On the Numbers of Oocytes Retrieved and Embryo Quality in IVF Treatment Cycles: An Analysis of 2,978 cycles. Springer US, 2014.