Colonoscopic diagnosis and reduction of recurrent intussusception owing to Henoch–Schönlein purpura without purpura. - Shimoyama, Teruyoshi; Matsuda, Nozomi; Kurobe, Masashi; Hayakawa, Takehiko; Nishioka, Masato; Shimohira, Masayuki; Takasawa, Kei (Paediatrics & International Child Health, 2019)