Sodium Tanshinone IIA Sulfonate Attenuates Tumor Oxidative Stress and Promotes Apoptosis in an Intermittent Hypoxia Mouse Model oleh Xiao-Bin Zhang PhD, Xiao-Yang Chen PhD, Peng Sun MD, Xiao-Man Su Nurse, Hui-Qing Zeng PhD, Yi-Ming Zeng PhD, Miao Wang MD, Xiongbiao Luo PhD