TANG, G.P.-Y., CHAN, V.Y.-T., NG, V.K.-S., LAU, W.-L. and LEUNG, W.-C. 2016. Can Intrapartum Ultrasound Assessment of Fetal Spine and Head Position Predict Persistent Occiput Posterior Position at Delivery?. Hong Kong Journal of Gynaecology, Obstetrics and Midwifery. 16, 2 (Jul. 2016). DOI:https://doi.org/10.12809/hkjgom.16.2.205.