PT  - JOURNAL ARTICLE
AU  - Shawn D. Aaron
TI  - Should we avoid β-agonists for moderate and severe chronic obstructive pulmonary disease?
DP  - 2007 Aug 01
TA  - Canadian Family Physician
PG  - 1290--1292
VI  - 53
IP  - 8
4099  - http://www.cfp.ca/content/53/8/1290.2.short
4100  - http://www.cfp.ca/content/53/8/1290.2.full
SO  - Can Fam Physician2007 Aug 01; 53