RT Journal Article SR Electronic T1 Asthma that is unresponsive to usual care JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 45 OP 52 DO 10.1503/cmaj.090089 VO 182 IS 1 A1 Kenneth R. Chapman A1 Andrew McIvor YR 2010 UL http://www.cmaj.ca/content/182/1/45.abstract