normal 0 false false false en-us x-none ar-sa introduction: hepatitis b is one of the world's health problems and increased the risk of hepatocellular carcinoma and liver cirrhosis. medical students exposed to risk because of future job, and being infected than the general population. this study will survey level of knowledge, risk perception and behavioral intention medical students about hepa...

background: colorectal cancer (crc) is the third common malignancy all over the world. modern life styles affecting nutritional habits have been providing a potential impact on crc. this study aims to assess the nutritional characteristics in crc patients of golestan province, northeast of iran. methods: all incident crc cases (n=47) in northeast of iran (2004-2005) and a matched number of heal...