RT Journal Article SR Electronic T1 How is Xpert MTB/RIF being implemented in 22 high tuberculosis burden countries? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP erj01477-2014 DO 10.1183/09031936.00147714 A1 Zhi Zhen Qin A1 Madhukar Pai A1 Wayne Van Gemert A1 Suvanand Sahu A1 Marzieh Ghiasi A1 Jacob Creswell YR 2014 UL http://erj.ersjournals.com/content/early/2014/10/30/09031936.00147714.abstract AB