Ahsan, A., M. N. Iqbal, A. Ashraf, F.- un-N. Yunus, M. Irfan, و M. Saleem. “Incidence of Pulmonary Tuberculosis Among Health Care Workers of Mayo Hospital, Lahore”. PSM Biological Research, ج 1, ش 1, می 2016, صص 26-30, https://psmjournals.org/index.php/biolres/article/view/18.