Al-Tamimi, Mohammad, et al. “Methicillin and Vancomycin Resistance in Coagulase-Negative Staphylococci Isolated from the Nostrils of Hospitalized Patients”. The Journal of Infection in Developing Countries, vol. 14, no. 01, Jan. 2020, pp. 28-35, doi:10.3855/jidc.11025.