Volume 86, December, December 2018, Pages 3663-3672
SAAD A. MOHAMED, M.D.; AHMED ABD EL-TAWAB, M.D.; MOHAMED MANSOUR, M.D.; ALAA ABD EL-HAMID, M.D.; MOHAMMAD SHAFIQ AWAD, M.D.; MONA H. TAWFIK, M.D.