RT Journal Article SR Electronic T1 Children at high altitude have less nocturnal periodic breathing than adults JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00119807 A1 M. Kohler A1 S. Kriemler A1 E. Handke A1 H. Brunner-LaRocca A1 M. Zehnder A1 K.E. Bloch YR 2008 UL http://erj.ersjournals.com/content/early/2008/02/20/09031936.00119807.abstract AB