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 692
OP 709
DO 10.1136/thx.34.5.692
VO 34
IS 5
YR 1979
UL http://thorax.bmj.com/content/34/5/692.abstract
AB