Charernjiratragul, K., Klangsin, S., Wattanakumtornkul, S., & Soonthornpun, K. (2023). Vaginal Bleeding Patterns in Women with Heart Disease Who Used Contraceptive Implants in Songklanagarind Hospital . Thai Journal of Obstetrics and Gynaecology, 31(1), 72–81. https://doi.org/10.14456/tjog.2023.9