PT - JOURNAL ARTICLE AU - W-T. Liu AU - C-H. Wang AU - H-C. Lin AU - S-M. Lin AU - K-Y. Lee AU - Y-L. Lo AU - S-H. Hung AU - Y-M. Chang AU - K.F. Chung AU - H-P. Kuo TI - Efficacy of a cell-phone-based exercise program for chronic obstructive pulmonary disease AID - 10.1183/09031936.00104407 DP - 2008 May 28 TA - European Respiratory Journal 4099 - http://erj.ersjournals.com/content/early/2008/05/28/09031936.00104407.short 4100 - http://erj.ersjournals.com/content/early/2008/05/28/09031936.00104407.full