Hira Gul, and Iqra Fatima. “TO ASSESS THE EFFECT OF SMOKING, PASSIVE SMOKING & SOCIOECONOMIC STATUS ON THE DEVELOPMENT OF TB IN PATIENTS OF DHQ HOSPITAL FSD ”. Journal of University Medical & Dental College, Vol. 4, no. 2, Dec. 2013, pp. 77-82, http://www.jumdc.com/index.php/jumdc/article/view/334.