tourism , today as one of the ways to make money, create jobs , and social and political interactions is considered. this paper aims to examine the strengths and weaknesses of tourism development in mahmoud abad ( mazandaran ). the research method in this study is " descriptive - analytical " and to collection of data used field methods such as questionnaires and documentation - library. the sa...

Introduction: Inflammatory bowel disease(IBD) is caused by genetic, environmental, microbial and immune factors. IBD has two primary forms: Ulcerative colitis and Crohn´s disease. The incidence of IBD has significantly increased over the last few decades. Given that patients have poor response to drug treatments or are resistant to drug therapies, new therapies are needed for gastrointestinal i...