Ho, K. W. K., Wong, C. K., Hung, M. W. C. and Lau, W. L. (2023) “Transperineal ultrasound measurement of cervical length to predict preterm delivery in women with threatened preterm labour”, Hong Kong Journal of Gynaecology, Obstetrics and Midwifery, 24(1). doi: 10.12809/hkjgom.23.2.354.