Kouni, Nicholas G., et al. “Rectosigmoid Ischemia and Cerebral Coma Following Gadolinium-Induced Anaphylaxis: A New Manifestation of Kounis Syndrome Presented As Devastating Complication”. Annali Italiani Di Chirurgia, vol. 91, no. 4, July 2020, pp. 442-4, https://annaliitalianidichirurgia.it/index.php/aic/article/view/2190.