RT Journal Article SR Electronic T1 Semantics or pedantry? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1494 OP 1494 DO 10.1183/09031936.00138510 VO 36 IS 6 A1 J. Widdicombe YR 2010 UL http://erj.ersjournals.com/content/36/6/1494.1.abstract AB