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1980-1984 - Research and Teaching Assistant, Dept. of Medical Physics, The Fourth Military Medical University, Xian, China 1993-1995 - Assistant Professor, Dept. of Aerospace Physiology, The Fourth Military Medical University, Xian China 1997- 2000 - Instructor, Internal Medicine - Cardiology Division, University of Texas Southwestern Medical Center at Dallas, TX 2000 - Present - Assistant Professor, Internal Medicine - Cardiology Division, University of Texas Southwestern Medical Center at Dallas, TX |