1. The SOGC consensus statement: management of twin pregnancies Part 2;Barrett;SOGC,2000
2. Reducing the incidence of twins and triplets;Wimalasundera;Best Practice & Research. Clinical Obstetrics & Gynaecology,2003
3. Improvement in outcomes of multifetal pregnancy reduction with increased experience;Evans;American Journal of Obstetrics and Gynecology,2001
4. Trends in twin and triplet births: 1980–97;Martin;CDC National Vital Statistics Report,1999
5. Neonatal outcome of spontaneous and assisted twin pregnancies;Zuppa;European Journal of Obstetrics, Gynecology, and Reproductive Biology,2001