K. E. LI, Y.-S. CHEUNG, and B. Y. LAU, “Use of Fasting Plasma Glucose and Haemoglobin A1c in Screening for Gestational Diabetes Mellitus in High-risk Antenatal Patients in Hong Kong”, Hong Kong J Gynaecol Obstet Midwifery, vol. 14, no. 1, Jan. 2014.