Phupong V, Sripitak W, Suvajanakorn S. Successful Delivery after Combined Pregnancy. Thai J Obstet Gynaecol [internet]. 2001 Apr. 1 [cited 2026 Sep. 28];13(3):111-4. available from: https://he02.tci-thaijo.org/index.php/tjog/article/view/256564