RT Journal Article SR Electronic T1 Alternative therapies for asthma: are patients at risk? JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 113 OP 113 DO 10.7861/clinmedicine.13-1-113 VO 13 IS 1 A1 Mike Thomas A1 George Lewith YR 2013 UL http://www.rcpjournals.org/content/13/1/113.abstract