“Prevalence of Ciprofloxacin Resistance among Gram-Negative Bacilli Isolated From Different Specimens at a General Hospital in Riyadh, Saudi Arabia”, J Shaheed Suhrawardy Med Coll, vol. 5, no. 1, pp. 7–10, Aug. 2013, doi: 10.3329/jssmc.v5i1.16197.