@article{bahmad_alvarado_muddasani_medina_2021,  title={Tubular colonic duplication in an adult patient with long-standing history of constipation and tenesmus},  volume={11},  ISSN={2236-1960},  url={https://doi.org/10.4322/acr.2021.260},  DOI={10.4322/acr.2021.260},  journal={Autopsy and Case Reports},  publisher={Hospital Universitário da Universidade de São Paulo},  author={Bahmad, Hisham F. and Alvarado, Luis E. Rosario and Muddasani, Kiranmayi P. and Medina, Ana Maria},  year={2021},  pages={e2021260} }