RT Journal Article SR Electronic T1 A green oral appliance JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 441 OP 441 DO 10.1183/09031936.00147808 VO 33 IS 2 A1 C. Mermigkis A1 K. Psathakis A1 P. Panagou YR 2009 UL http://erj.ersjournals.com/content/33/2/441.abstract AB