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Shehzad MI, Mannan MAU, Naveed A, Tariq MW, Afzal MW. An Audit of Symptomatic Household Contact Tracing of Sputum Smear Positive TB Patients enrolled at TB DOTS centre in Nishtar Medical University Multan, South Punjab, Pakistan. Pak J Chest Med [Internet]. 2020Sep.9 [cited 2025Nov.6];26(1):33-6. Available from: https://pjcm.net/index.php/pjcm/article/view/639