PT  - JOURNAL ARTICLE
ED  - ,
TI  - The biphasic spirogram: a clue to unilateral narrowing of a mainstem bronchus.
AID  - 10.1136/thx.46.2.151-b
DP  - 1991 Feb 01
TA  - Thorax
PG  - 151--151
VI  - 46
IP  - 2
4099  - http://thorax.bmj.com/content/46/2/151.3.short
4100  - http://thorax.bmj.com/content/46/2/151.3.full
SO  - Thorax1991 Feb 01; 46