Swallowing Pattern of Patients With Nasopharyngeal Cancer Before and After Radiation Therapy: Longitudinal Study and Correction With Saliva Amount
Observational
Observational Model: Case Control, Time Perspective: Prospective
Yeun-Chung Chang, M.D., Ph.D.
Principal Investigator
National Taiwan Univserity Hospital and College of Medicine
Taiwan: Department of Health
Yeun-Chung Chang
NCT00173836
August 2003
August 2006
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