OEIS complex (omphalocele-exstrophy-imperforate anus-spinal defects) in monozygotic twins: a case report and literature review
Y. Q. Xu, X. L. Chen, S. Zhao, P. W. Chen, X. M. Yin, S. Y. Xiong, Z. Ding, F. Xiong, X. H. Yang
Clinical and Experimental Obstetrics & Gynecology . 2020, (2): 154 -158 .  DOI: 10.31083/j.ceog.2020.02.5141