RT Journal Article SR Electronic T1 Is daily inhaled steroid use necessary in the treatment of mild persistent asthma? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1439 OP 1439 DO 10.1503/cmaj.050515 VO 172 IS 11 A1 Matthew B. Stanbrook YR 2005 UL http://www.cmaj.ca/content/172/11/1439.abstract