R. Nie

A retrospective analysis of ovarian stimulation with letrozole in women undergoing artificial insemination by donor.

K. Qian, L. Ji, G. Zhu, 2017, Reproductive biomedicine online.

Presence of hepatitis B virus in oocytes and embryos: a risk of hepatitis B virus transmission during in vitro fertilization.

Wen Chen, Bei Xu, Hanwang Zhang, 2011, Fertility and sterility.

Assisted conception does not increase the risk for mother-to-child transmission of hepatitis B virus, compared with natural conception: a prospective cohort study.

K. Qian, G. Zhu, L. Jin, 2019, Fertility and sterility.

Hepatitis B surface antigen in oocytes and embryos may not result in vertical transmission to offspring of hepatitis B virus carriers.

Lixia Zhu, Yufeng Li, G. Zhu, 2016, Fertility and sterility.

Rescue intracytoplasmic sperm injection: a prospective randomized study.

Wen Chen, Lixia Zhu, Hanwang Zhang, 2011, The Journal of reproductive medicine.

Clinical characteristics and risk factors for in‐hospital mortality of lung cancer patients with COVID‐19: A multicenter, retrospective, cohort study

Chao Zhang, Kai-ming Dai, Yu Song, 2020, Thoracic cancer.