Journal article
Zygosity testing should be encouraged for all same-sex twins: FOR: A genetic test is essential to determine zygosity
JM Craig, NL Segal, MP Umstad, TL Cutler, LA Keogh, JL Hopper, M Rankin, J Denton, CA Derom, A Sumathipala, JR Harris
BJOG an International Journal of Obstetrics and Gynaecology | WILEY-BLACKWELL | Published : 2015