RT Journal Article SR Electronic T1 Review: physical training increases cardiopulmonary fitness in asthma and does not decrease lung function JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 44 OP 44 DO 10.1136/ebn.9.2.44 VO 9 IS 2 YR 2006 UL http://ebn.bmj.com/content/9/2/44.abstract AB