Kla Charernjiratragul และ Satit Klangsin; Saranya Wattanakumtornkul; Karanrat Soonthornpun. (2023) Vaginal Bleeding Patterns in Women with Heart Disease Who Used Contraceptive Implants in Songklanagarind Hospital. <i>Thai Journal of Obstetrics and Gynaecology</i>, <i>31</i>(1), 72-81.Kla Charernjiratragul และ Satit Klangsin; Saranya Wattanakumtornkul; Karanrat Soonthornpun. "Vaginal Bleeding Patterns in Women with Heart Disease Who Used Contraceptive Implants in Songklanagarind Hospital". Thai Journal of Obstetrics and Gynaecology 31 (2023):72-81.Kla Charernjiratragul และ Satit Klangsin; Saranya Wattanakumtornkul; Karanrat Soonthornpun. Vaginal Bleeding Patterns in Women with Heart Disease Who Used Contraceptive Implants in Songklanagarind Hospital. PIMDEE Co. Ltd.:ม.ป.ท. 2023.