PT  - JOURNAL ARTICLE
ED  - ,
TI  - Proceedings of the Thoracic Society
AID  - 10.1136/thx.26.2.229
DP  - 1971 Mar 01
TA  - Thorax
PG  - 229--232
VI  - 26
IP  - 2
4099  - http://thorax.bmj.com/content/26/2/229.short
4100  - http://thorax.bmj.com/content/26/2/229.full
SO  - Thorax1971 Mar 01; 26