Mehra, B., V. Aggarwal, H. Wardhan, and S. Dugaya. “Severe Jejunitis Masquerading As Intussusception in a Case of Henoch-Schönlein Purpura”. South African Journal of Surgery, Vol. 59, no. 1, Mar. 2021, p. 28, http://sajs.redbricklibrary.com/index.php/sajs/article/view/3454.