Endothelial Nitric Oxide Synthase Gene Polymorphisms Associated with Susceptibility to High Altitude Pulmonary Edema in Chinese Railway Construction Workers at Qinghai-Tibet over 4 500 Meters above Sea LevelYujing Sun, Changchun Qiu, Wenquan Niu et al.|中国医学科学杂志:英文版|2010Cited by 15