RT Journal Article SR Electronic T1 Systemic bioavailability of inhaled steroids: the importance of appropriate and comparable methodology JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 157 OP 158 DO 10.1183/09031936.01.17101570 VO 17 IS 1 A1 H. Derendorf A1 P.T. Daley-Yates A1 L.N. Pierre A1 J. Efthimiou YR 2001 UL http://erj.ersjournals.com/content/17/1/157.abstract AB