TY - JOUR T1 - Thoracic balls JF - Canadian Medical Association Journal JO - CMAJ SP - E1091 LP - E1091 DO - 10.1503/cmaj.110529 VL - 183 IS - 14 AU - Marc Garetier AU - Jean Rousset Y1 - 2011/10/04 UR - http://www.cmaj.ca/content/183/14/E1091.abstract ER -