KWA, Carina, and Lin-Wai CHAN. “Effect of Smoking Cessation at Different Trimesters on Pregnancy Outcome”. Hong Kong Journal of Gynaecology, Obstetrics and Midwifery 18, no. 2 (April 6, 2023). Accessed May 8, 2024. https://hkjgom.org/home/article/view/245.