Girgis, N. I., Butler, T., Frenck, R. W., Sultan, Y., Brown, Tribble, D., & Khakhria, R. (1999). Azithromycin versus Ciprofloxacin for Treatment of Uncomplicated Typhoid Fever in a Randomized Trial in Egypt That Included Patients with Multidrug Resistance. American Society for Microbiology.

Girgis, Nabil I., Thomas Butler, Robert W. Frenck, Yehia Sultan, Brown, David Tribble, و Rasik Khakhria. Azithromycin Versus Ciprofloxacin for Treatment of Uncomplicated Typhoid Fever in a Randomized Trial in Egypt That Included Patients With Multidrug Resistance. American Society for Microbiology, 1999.

Girgis, Nabil I., et al. Azithromycin Versus Ciprofloxacin for Treatment of Uncomplicated Typhoid Fever in a Randomized Trial in Egypt That Included Patients With Multidrug Resistance. American Society for Microbiology, 1999.