RT Journal Article SR Electronic T1 An automated molecular test for Mycobacterium tuberculosis and resistance to rifampin (Xpert MTB/RIF) is sensitive and can be carried out in less than 2 h JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 19 OP 19 DO 10.1136/ebm1163 VO 16 IS 1 A1 Mark Melzer YR 2011 UL http://ebm.bmj.com/content/16/1/19.abstract AB