Ayman Mohammed Khaleel, Adeeba Younis Shareef, and Shakeeba Younis Shareef, “Study the antibiotics sensitivity and beta- lactamase productivity of some Staphylococcus spp. Isolates from different sources of the Al Jamhoree Teaching Hospital in Mosul City”, Tikrit J. Pure Sci., vol. 24, no. 7, pp. 27–32, Dec. 2019.