PT - JOURNAL ARTICLE AU - Tajender S. Vasu AU - Jasjet Saluja AU - David Landsberg AU - Robert Lenox TI - An elderly man with sudden-onset shortness of breath and hydropneumothorax AID - 10.1503/cmaj.051046 DP - 2006 Jan 31 TA - Canadian Medical Association Journal PG - 311--312 VI - 174 IP - 3 4099 - http://www.cmaj.ca/content/174/3/311.short 4100 - http://www.cmaj.ca/content/174/3/311.full SO - CMAJ2006 Jan 31; 174