PT - JOURNAL ARTICLE AU - Jo, Sang-Ho AU - Choi, Young-Jin AU - Cho, Goo-Yeong AU - Kim, Hyun-Sook AU - Jung, Ki-Suck AU - Rhim, Chong-Yun TI - Tracheal calcification AID - 10.1503/cmaj.070099 DP - 2008 Jul 29 TA - Canadian Medical Association Journal PG - 291--291 VI - 179 IP - 3 4099 - http://www.cmaj.ca/content/179/3/291.short 4100 - http://www.cmaj.ca/content/179/3/291.full SO - CMAJ2008 Jul 29; 179