Kamal, Y.A., Zahran, M. and Oreiby, A. 2018. Large Thrombus on a Prosthetic Mitral Valve During Early Pregnancy. Sultan Qaboos University Medical Journal. 18, 3 (Dec. 2018), e407–408. DOI:https://doi.org/10.18295/squmj.2018.18.03.027.