Pneumatosis intestinalis and porto-mesenteric venous gas: a multicenter study. - Marta Della Seta; Roman Kloeckner; Daniel Pinto dos Santos; Thula Cannon Walter-Rittel; Felix Hahn; Jörn Henze; Annika Gropp; Johann Pratschke; Bernd Hamm; Dominik Geisel; Timo Alexander Auer (BMC Medical Imaging, 2021)