@article {Jo291, author = {Sang-Ho Jo, MD MMS and Young-Jin Choi, MD PhD and Goo-Yeong Cho, MD PhD and Hyun-Sook Kim, MD PhD and Ki-Suck Jung, MD PhD and Chong-Yun Rhim, MD PhD}, title = {Tracheal calcification}, volume = {179}, number = {3}, pages = {291--291}, year = {2008}, doi = {10.1503/cmaj.070099}, publisher = {CMAJ}, issn = {0820-3946}, URL = {https://www.cmaj.ca/content/179/3/291}, eprint = {https://www.cmaj.ca/content/179/3/291.full.pdf}, journal = {CMAJ} }