RT Journal Article SR Electronic T1 Upper airway collapsibility, dilator muscle activation and resistance in sleep apnoea JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00063406 A1 Pierce, R. A1 White, D. A1 Malhotra, A. A1 Edwards, J.K. A1 Kleverlaan, D. A1 Palmer, L. A1 Trinder, J. YR 2007 UL http://erj.ersjournals.com/content/early/2007/04/25/09031936.00063406.abstract AB