RT Journal Article SR Electronic T1 Recommendations on the use of exercise testing in clinical practice JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1064 OP 1066 DO 10.1183/09031936.00006607 VO 29 IS 5 A1 J. E. Cotes A1 J. W. Reed YR 2007 UL http://erj.ersjournals.com/content/29/5/1064.2.abstract AB