RT Journal Article SR Electronic T1 Partitional Respirometry in Cardio-pulmonary Disease JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 153 OP 160 DO 10.1136/thx.14.2.153 VO 14 IS 2 A1 Roy J. Shephard YR 1959 UL http://thorax.bmj.com/content/14/2/153.abstract AB