LEUNG HH, IP JK, CHAN AY, NGAI PC, POON LC. How has COVID-19 impacted obstetrics?. Hong Kong J Gynaecol Obstet Midwifery [Internet]. 2021 Jan. 1 [cited 2024 Dec. 4];21(1). Available from: https://hkjgom.org/home/article/view/289