PT - JOURNAL ARTICLE AU - M. Sue-Chu TI - The object of the exercise… AID - 10.1183/18106838.0701.015 DP - 2010 Sep 01 TA - Breathe PG - 15--15 VI - 7 IP - 1 4099 - http://breathe.ersjournals.com/content/7/1/15.short 4100 - http://breathe.ersjournals.com/content/7/1/15.full SO - breathe2010 Sep 01; 7