1.. Ashwin et al "Surgical Face Masks Worn by Patients with Multidrug-Resistant Tuberculosis", American Journal of Respiratory and Critical Care Medicine, Vol. 185, No. 10 (2012), pp. 1104-1109.
1.. Ashwin et al "Surgical Face Masks Worn by Patients with Multidrug-Resistant Tuberculosis", American Journal of Respiratory and Critical Care Medicine, Vol. 185, No. 10 (2012), pp. 1104-1109.