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Int J Clin Exp Med 2013;6(4):307-309

Letter to Editor
The totally drug resistant tuberculosis (TDR-TB)

Ali Akbar Velayati, Parissa Farnia, Mohammad Reza Masjedi

Mycobacteriology Research Centre, Chronic Respiratory Diseases Research Centre, National Research Institute of Tuberculosis and
Lung Disease (NRITLD), Masih Daneshvari Hospital, Shahid Beheshti University of Medical Sciences, Tehran, 19556, P.O: 19575/154,
Iran

Received March 3, 2013; Accepted March 18, 2013; Epub April 12, 2013; Published April 30, 2013

Address correspondence to: Parissa Farnia, Mycobacteriology Research Centre, National Research Institute of Tuberculosis and
Lung Disease (NRITLD), Masih Daneshvari Hospital, Shahid Beheshti University of Medical Sciences, Tehran, 19556, P.O: 19575/154,
Iran. E-mail: pfarnia@hotmail.com