PT - JOURNAL ARTICLE AU - Chi-Sang Poon TI - Exercise Ventilation-CO<sub>2</sub> Output Relationship in COPD and Heart Failure: A Tale of Two Abnormalities AID - 10.4187/respcare.03433 DP - 2014 Jul 01 TA - Respiratory Care PG - 1157--1159 VI - 59 IP - 7 4099 - http://rc.rcjournal.com/content/59/7/1157.short 4100 - http://rc.rcjournal.com/content/59/7/1157.full