Dutta, S., S. Chawla, S. Srivastava, P. Loomba, and V. Roy. “Effect of Trimethoprim-Sulfamethoxazole Vs. Norfloxacin on Fecal E. Coli Resistance Pattern and Efficacy in Patients Receiving Prophylaxis for Spontaneous Bacterial Peritonitis”. International Journal of Basic & Clinical Pharmacology, vol. 7, no. 11, Oct. 2018, pp. 2209-15, doi:10.18203/2319-2003.ijbcp20184329.