Xia, Lingjin, Qi Che, Miao Liu, Xinmei Lu, Xiang Cao, Xi Dong, and Suying Liu. 2020. “Treatment of Repeated Implantation Failures With Sequential Embryo Transfer to Achieve a Successful Pregnancy: A Case Report”. Archives of Clinical and Biomedical Research 4 (6):626-31. https://fortunejournals.org/ojs/index.php/acbr/article/view/14796.