Tanslaruk, Uthai, Rungroj Aeng, and Punnanpa Wongprachoom. “Single-Dose Systemic Methotrexate Therapy in Patients with Suspected Ectopic Pregnancy: Two year experience”. Thai Journal of Obstetrics and Gynaecology 13, no. 3 (April 1, 2001): 85–90. accessed September 29, 2026. https://he02.tci-thaijo.org/index.php/tjog/article/view/256562.