2SUTYON J R, COATES G, HOUSTON C S, et al. Lake Louise consensus definition and quantification of altitude illness, in Hypoxia and Mountain Medicine. Burlington, Vermont: Queen City Press, 1992:272 - 274.
3WU T Y, DINGS Q, ZHANG S L. Altitude illness in Qinghai-Tibet railroad passengers [ J ]. High altitude medi- cine & biology,2010,11 (3) :189-198.
4REN Y S, FU Z M, SHEN W M, et al. Incidence of High Altitude Illnesses among Unacclimatized Person Who Acutely Ascended to Tibet [ J ]. High altitude medi- cine & biology,2010,11 ( 1 ) :39 - 42.
5ALEX D W, MB FRC P. Medicine at high altitude [ J]. Clin Med, 2006,6(6) :604 -608.
6CHANDAN K B, PRATUL K B, WILLIAM S, et al. Ac- climatization to High Altitude in the Tien Shan: A Com- parative Study of Indians and kyrgyzis [ J ]. Wilderness & Environmental Medicine,2007,18 (2) : 106 - 110.