PT  - JOURNAL ARTICLE
AU  - Anthony D. D’Urzo
AU  - Pieter Jugovic
AU  - Reuven Jhirad
AU  - Jacques Bouchard
TI  - Four-year trial of tiotropium in chronic obstructive pulmonary disease
DP  - 2012 Aug 01
TA  - Canadian Family Physician
PG  - 848--849
VI  - 58
IP  - 8
4099  - http://www.cfp.ca/content/58/8/848.short
4100  - http://www.cfp.ca/content/58/8/848.full
SO  - Can Fam Physician2012 Aug 01; 58