Sonia Qureshi, Mohammad Tahir Yousafzai, Shafquat Rozi, Shahida Qureshi, Aneeta Hotwani, Kamran Sadiq, Om Parkash, Abdul Momin Kazi, Furqan Kabir, Hadi Usmani, & Farah Naz Qamar. (2021). Detection of typhoid carriers by duodenal fluid culture in a tertiary care hospital, Karachi: a cross-sectional study. Journal of the Pakistan Medical Association, 71(8), 2069–2072. https://doi.org/10.47391/JPMA.580