Charernjiratragul K, Klangsin S, Wattanakumtornkul S, Soonthornpun K. Vaginal Bleeding Patterns in Women with Heart Disease Who Used Contraceptive Implants in Songklanagarind Hospital . Thai J Obstet Gynaecol [internet]. 2023 Jan. 1 [cited 2026 Sep. 28];31(1):72-81. available from: https://he02.tci-thaijo.org/index.php/tjog/article/view/256072