Volume 86, December, December 2018, Pages 4619-4623
MOHAMMED KHATTAB, M.Sc.; AHMED H. KHALIL, M.D., M.R.C.S., M.Sc.; KAREEM HOSNY, M.D.; MOSTAFA ELSHAZLY, M.D.; AYMAN SALAH ELDIN, M.D.; ADEL HOSNY, M.D.