2McDevitt M. McIntosh SE,Rodway G,et al. Risk Determinants of a- cute mountain sickness in trekkers in the nepali himalaya: A 24-year follow- Up[J ]. Wilderness Environ Med, 2014,25 ( 2 ) : 152-159.
3Windson JS,Rodway GW. Supplemental oxygen and sleep at altitude [J]. High Alt Med Biol,2006,7(4).-307-311.