RT Journal Article SR Electronic T1 In vitro susceptibility testing and totally drug-resistant tuberculosis JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 291 OP 292 DO 10.1183/09031936.00205212 VO 42 IS 1 A1 Shashikant Srivastava A1 Carleton Sherman A1 Tawanda Gumbo YR 2013 UL http://erj.ersjournals.com/content/42/1/291.abstract AB