Essa Abdullah, F. ., A. . Shaikh, M. Abid, and A. Talib. “Enteric Fever in a Cross-Section of Patients in Karachi: Current Correlation of Positive Blood Cultures With the Widal Agglutination and the Typhidot Immunoassay Tests”. Journal of the Dow University of Health Sciences (JDUHS), vol. 7, no. 3, Dec. 2013, pp. 89-93, https://mail.jduhs.com/index.php/jduhs/article/view/1536.