Hasan, Rumina, Afia Zafar, Zohair Abbas, Vikram Mahraj, Faisal Malik, and Anita Zaidi. 2008. “Antibiotic Resistance Among Salmonella Enterica Serovars Typhi and Paratyphi A in Pakistan (2001-2006)”. The Journal of Infection in Developing Countries 2 (04):289-94. https://doi.org/10.3855/jidc.224.