Drug-resistant tuberculosis among previously treated patients in Yangon, Myanmar. Issue 3 (September 2016) - Tun, Thanda; Nyunt, Wint Wint; Latt, Khin Zaw; Samaranayaka, Ari; Crump, John A.; Thinn, Kyi Kyi; Cook, Gregory M.; Aung, Htin Lin