Medical Director/Principal Investigator
Dr. Sarles graduated with his Bachelors in Biology from the University of Texas in Austin, and received his M.D. at the University of Texas Medical Branch in Galveston, Texas.
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Dr. Do treats general gastrointestinal problems as well as actively promoting colon cancer screening and viral hepatitis screening. He has his private practice in Plano, and also is a clinical assistant professor at the University of Texas Southwestern Medical School.
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Clinical Research Coordinator
Medical Assistant/FibroScan Technician
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Clinical Research Manager
Dr. Khan has practiced gastroenterology for more than 21 years, thus allowing him to gain a comprehensive knowledge of gastrointestinal diseases and their complex presentations, and performing thousands of procedures to treat digestive disorders.
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Assistant Clinical Research Manager