RT Journal Article
SR Electronic
T1 Proceedings of the Thoracic Society
JF Thorax
JO Thorax
FD BMJ Publishing Group Ltd and British Thoracic Society
SP 229
OP 232
DO 10.1136/thx.26.2.229
VO 26
IS 2
YR 1971
UL http://thorax.bmj.com/content/26/2/229.abstract
AB