Al-Riyami, N., Al-Hadabi, R., Al-Dughaishi, T., & Al-Riyami, M. (2013). Placental Tumour : What could it be?. Sultan Qaboos University Medical Journal, 13(3), 459–462. Retrieved from https://journals.squ.edu.om/index.php/squmj/article/view/1850