PT - JOURNAL ARTICLE AU - Rubin, Bruce K TI - Exercise for COPD: Take it Without a Grain of Salt DP - 2009 Mar 01 TA - Respiratory Care PG - 318--319 VI - 54 IP - 3 4099 - http://rc.rcjournal.com/content/54/3/318.short 4100 - http://rc.rcjournal.com/content/54/3/318.full