PT - JOURNAL ARTICLE AU - Fu-Chieh Shih AU - Wei-Jing Lee AU - Hung-Jung Lin TI - Tracheal bronchus AID - 10.1503/cmaj.080280 DP - 2009 Mar 31 TA - Canadian Medical Association Journal PG - 783--783 VI - 180 IP - 7 4099 - http://www.cmaj.ca/content/180/7/783.short 4100 - http://www.cmaj.ca/content/180/7/783.full SO - CMAJ2009 Mar 31; 180