AU - Hasan, Mahmoud TI - Safety in ENT surgery PT - LETT DP - 2018 Jul 1 TA - The Egyptian Journal of Otolaryngology PG - 165-166 VI - 34 IP - 3 4099- http://www.ejo.eg.net/article.asp?issn=1012-5574;year=2018;volume=34;issue=3;spage=165;epage=166;aulast=Hasan;type=0 4100- http://www.ejo.eg.net/article.asp?issn=1012-5574;year=2018;volume=34;issue=3;spage=165;epage=166;aulast=Hasan AB -