Yan Wang, et al. “Clinical and Endoscopic Features of Pneumatosis Cystoides Intestinalis: A Retrospective Study in 192 Patients”. Turkish Journal of Gastroenterology, vol. 34, no. 11, Oct. 2023, pp. 1116-23, https://tjg.avesjournals.com/index.php/tjg/article/view/4638.