تحقیق یاب

مرکز دانلود انواع فایل های دانشجویی و دانش آموزی(تحقیق,پاورپوینت,پروژه,مقاله,فایل فلش و ...)

تحقیق یاب

مرکز دانلود انواع فایل های دانشجویی و دانش آموزی(تحقیق,پاورپوینت,پروژه,مقاله,فایل فلش و ...)

Head and neak cancer_mark agulink

Head and neck cancer is a devastating illness affecting individuals around the globe.The number of new cases of head and neck cancer in the US each year exceeds 40,000individuals and accounts for about 3-5% of adult malignancies. In excess of 10,000individuals will die of their disease each year. The worldwide incidence exceeds half amillion cases annually. In North America and Europe, the tumors usually arise in theoral cavity, oropharynx, or larynx, whereas nasopharyngeal cancers the more comm ...