TY - JOUR T1 - Pneumomediastinum and subcutaneous emphysema associated with pandemic (H1N1) influenza in three children JF - Canadian Medical Association Journal JO - CMAJ SP - 220 LP - 222 DO - 10.1503/cmaj.100099 VL - 183 IS - 2 AU - Sharmila Udupa AU - Tahir Hameed AU - Tom Kovesi Y1 - 2011/02/08 UR - http://www.cmaj.ca/content/183/2/220.abstract N2 - ER -