RT Journal Article SR Electronic T1 New therapy for managing moderate to severe chronic obstructive pulmonary disease JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 352 OP 354 VO 60 IS 4 A1 Andrew Chou A1 Anthony D. D’Urzo YR 2014 UL http://www.cfp.ca/content/60/4/352.abstract AB