PT - JOURNAL ARTICLE AU - K.J. Killian TI - Limitation to muscular activity in chronic obstructive pulmonary disease AID - 10.1183/09031936.04.00038104 DP - 2004 Jul 01 TA - European Respiratory Journal PG - 6--7 VI - 24 IP - 1 4099 - http://erj.ersjournals.com/content/24/1/6.short 4100 - http://erj.ersjournals.com/content/24/1/6.full SO - Eur Respir J2004 Jul 01; 24