RT Journal Article SR Electronic T1 Starting inhaled corticosteroids in asthma: when, how high, and how long JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 3 OP 4 DO 10.1183/09031936.00.15100300 VO 15 IS 1 A1 T van der Molen A1 HA Kerstjens YR 2000 UL http://erj.ersjournals.com/content/15/1/3.abstract AB