RT Journal Article SR Electronic T1 Discontinuing inhaled steroids might not be safe in severe COPD cases JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 57 OP 57 DO 10.1136/ebmed-2014-110124 VO 20 IS 2 A1 Laniado-LaborĂ­n, Rafael YR 2015 UL http://ebm.bmj.com/content/20/2/57.abstract AB