TY - JOUR AU - O’Gorman, N; Wright, D; Poon, L C TI - Accuracy of competing-risks model in screening for pre-eclampsia by maternal factors and biomarkers at 11–13 weeks’ gestation JO - Ultrasound Obstet Gynecol VL - 49 PY - 2017 DO - 10.1002/uog.17399 L3 - PubMed-ID: 28067011 SP - 751 EP - 755 N1 - et al. ER -