Sobhy, Heba, Kh.F.Mohamed, H.M.Essam, and S. A. Nasef,  "Using Integral System Stafilococchi Kit for Biochemical Identification and Susceptibility Testing of Coagulase Negative Staphylococcus Isolated from Broiler Chickens in Egypt",  Global Veterinaria, vol. 13, no. 6: IDOSI, pp. 1022?1028, 2014.