Pediatric-onset Chronic Nonspecific Multiple Ulcers of Small Intestine: A Nationwide Survey and Genetic Study in Japan

ABSTRACTWe performed a Japanese nationwide survey of pediatric-onset chronic nonspecific multiple ulcers of the small intestinebetween January 2000 and July 2013 in 176 institutions of pediatric surgeryor pediatric gastroenterologyand clarified the clinical features associated with genetic abnorm