PT - JOURNAL ARTICLE AU - Elkins, Mark R AU - Dwyer, Tiffany J TI - Interval and continuous training are similarly effective in chronic obstructive pulmonary disease AID - 10.1136/bjsm.2010.083097 DP - 2011 Feb 01 TA - British Journal of Sports Medicine PG - 155--156 VI - 45 IP - 2 4099 - http://bjsm.bmj.com/content/45/2/155.short 4100 - http://bjsm.bmj.com/content/45/2/155.full SO - Br J Sports Med2011 Feb 01; 45