Liu, Y., Y. Li, J. Zhang, J. Li, Y. Zhao, K. Liu, X. Fan, and J. Wang. “Surgery Before Pregnancy in Women With Congenital Heart Disease: A Retrospective Study: CHD Surgery Before Pregnancy?”. The Heart Surgery Forum, vol. 26, no. 1, Jan. 2023, pp. E027-E037, doi:10.1532/hsf.4751.