In 1932, Crohn, Ginzburg and Oppenheimer published their classical paper on regional ileitis in the Journal of the American Medical Association (JAMA).' Since then, it has been a popular pastime to document the many case descriptions ofCrohn's disease whch were published beforehand.2-4 Most of these were brief reports of small numbers.5-7 The most thorough studies were those of Moschowitz and W...

john`s disease, is an important disease in cattle which the causative agent is mycobacterium avium subsp. paratuberculosis. economic losses, elimination of reactor cattle, high expenses of disease control and causing crohn disease in human made the study of disease more important. knowing the involved area, focal points of disease would be effective to prevent disease. there are several methods...