RT Journal Article SR Electronic T1 Frequency and antimicrobial susceptibility of Gram-negative bacteria isolated from 2 hospitals in Makkah, Saudi Arabia JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 338 OP 338 VO 31 IS 3 A1 Mahmood D. Al-Mendalawi A1 Atif H. Asghar YR 2010 UL http://smj.org.sa/content/31/3/338.abstract