Etiological analysis and treatment of nontraumatic colorectal perforation
Yang Yang, Zhang Chunxia, Liu Jianlei, Ye Xiaorui, Wang Jun, Zhu Ya, Jin Heiying
Journal of Abdominal Surgery . 2020, (6): 445 -449 .  DOI: 10.3969/j.issn.1003-5591.2020.06.009