TY - JOUR T1 - Challenges of tuberculosis control JF - Canadian Medical Association Journal JO - CMAJ SP - 33 LP - 34 DO - 10.1503/cmaj.051504 VL - 174 IS - 1 AU - Sally Murray Y1 - 2006/01/03 UR - http://www.cmaj.ca/content/174/1/33.abstract ER -