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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. Detection of typhoid carriers by duodenal fluid culture in a tertiary care hospital, Karachi: a cross-sectional study. J Pak Med Assoc [Internet]. 2021 Dec. 29 [cited 2026 Feb. 13];71(8):2069-72. Available from: https://mail.jpma.org.pk/index.php/public_html/article/view/217