PT - JOURNAL ARTICLE AU - Felix S F Ram TI - Tiotropium mist inhaler for COPD increases risk of mortality compared with placebo AID - 10.1136/ebm.2011.100171 DP - 2011 Dec 01 TA - Evidence Based Medicine PG - 189--190 VI - 16 IP - 6 4099 - http://ebm.bmj.com/content/16/6/189.short 4100 - http://ebm.bmj.com/content/16/6/189.full SO - Evid Based Med2011 Dec 01; 16