Yamasmit, Waralak, Sornpin Armarttasn, and Jariya Lorwatthanasirikul. 2011. “Conservative Management of Placental Adherence”. Vajira Medical Journal : Journal of Urban Medicine 52 (2):175-81. https://he02.tci-thaijo.org/index.php/VMED/article/view/345.