RT Journal Article SR Electronic T1 Budesonide-formoterol combination inhaler JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 1109 OP 1110 VO 54 IS 8 A1 Richard Beever YR 2008 UL http://www.cfp.ca/content/54/8/1109.2.abstract AB