PT - JOURNAL ARTICLE AU - S.J. Butcher AU - O. Lagerquist AU - D.D. Marciniuk AU - S.R. Petersen AU - D.F. Collins AU - R.L. Jones TI - Relationship between ventilatory constraint and muscle fatigue during exercise in COPD AID - 10.1183/09031936.00014708 DP - 2008 Dec 01 TA - European Respiratory Journal 4099 - http://erj.ersjournals.com/content/early/2008/12/01/09031936.00014708.short 4100 - http://erj.ersjournals.com/content/early/2008/12/01/09031936.00014708.full