- (1): 39–46. doi:10.1177/000348949910800106. PMID 9930539. S2CID 40931362.
Moneir W, Abd El-Fattah AM,
Mahmoud E,
Elshaer M (September 2018). "Endoscopic...
- (12): 966–70. doi:10.1177/000348949110001203. PMID 1746843. S2CID 20656876.
Moneir W, Abd El-Fattah AM,
Mahmoud E,
Elshaer M (September 2018). "Endoscopic...