作者机构:[1]Physiological Research Group of the Ministry of Railway, High Altitude Medical Research Institute, Xining, Qinghai 810012, China, [2]Qinghai-Tibet Railroad Hospital at Fenghuoshan, Golmud, Qinghai 816000, China, [3]Qinghai-Tibet Railroad Hospital at Kekexili, Golmud, Qinghai 816000, China, [4]Qinghai-Tibet Railroad Hospital at Dangxiong, Lhasa, Tibet 851500, China, [5]Qinghai-Tibetan Railway Construction Company, Golmud, Qinghai 816000, China
相关基金:This study was supported by the grants from National Natural Science Foundation of China (No. 30393130) and the 973 Program of China (No. 2006CB708514).
Correspondence to: WU Tian-yi, High Altitude Medical Research Institute, Xining, Qinghai 810012, China (Tel: 86-971-6250870. Fax: 86-971-6259367. Email: wutianyiqh@yahoo.com.cn)