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APA Citation
Xu, B., He, Y., Wang, Y., Lu, Y., Hong, Y., Wang, Y., & Sun, Y. (2017). frozen embryo transfer or fresh embryo transfer: Clinical outcomes depend on the number of oocytes retrieved. European journal of obstetrics, gynecology, and reproductive biology, 215, 50–54. http://access.bl.uk/ark:/81055/vdc_100047832576.0x000038