الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Cancer estimated as one of the most leading death causes for humanity. In 2012, 8.2 million death cases estimated around the world. Continuously, the incidence of cancer is increasing owing to several factors such as aging, increase of human population and the daily behaviors causing malignant. Commonly, cancer refers to abnormal cell growth which has the potentiality to spread too far sites to invade tissue. Although, there are several therapeutic methods for cancer treatment such as chemotherapy and radiation, still their side effects act as a barrier in tumor therapy. So many researches encourage applying chemoprevention as a new strategy in cancer treatment.