MATSUZONO, Tomoko, Kam-On KOU, Chung-Fan POON, and Kwok-Yin LEUNG. 2015. “Abnormal First Trimester Maternal Serum Biochemical Markers and Prediction of Adverse Pregnancy Outcomes”. Hong Kong Journal of Gynaecology, Obstetrics and Midwifery 15 (2). https://doi.org/10.12809/hkjgom.15.2.181.