Pitiakoudis, M., et al. “Intussusception of the Small Bowel Due to Peutz-Jeghers Syndrome: A Case Report”. Annali Italiani Di Chirurgia, vol. 75, no. 1, Jan. 2004, pp. 75-78, https://annaliitalianidichirurgia.it/index.php/aic/article/view/2754.