An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Kamal T, Pai A, Velchuru VR, Zawadzki M, Park JJ, Marecik SJ, Abcarian H, Prasad LM.Kamal T, et al. Among authors: velchuru vr.Colorectal Dis. 2015 Feb;17(2):160-4. doi: 10.1111/codi.12809.Colorectal Dis. 2015.PMID: 25359528
Zawadzki M, Velchuru VR, Albalawi SA, Park JJ, Marecik S, Prasad LM.Zawadzki M, et al. Among authors: velchuru vr.Colorectal Dis. 2013 Aug;15(8):1026-32. doi: 10.1111/codi.12209.Colorectal Dis. 2013.PMID: 23528255
Zawadzki M, Czarnecki R, Rzaca M, Obuszko Z, Velchuru VR, Witkiewicz W.Zawadzki M, et al. Among authors: velchuru vr.Wideochir Inne Tech Maloinwazyjne. 2016 Jan;10(4):567-73. doi: 10.5114/wiitm.2015.56999. Epub 2016 Jan 12.Wideochir Inne Tech Maloinwazyjne. 2016.PMID: 26865894Free PMC article.
2015 European Society of Coloproctology Collaborating Group.2015 European Society of Coloproctology Collaborating Group.Dis Colon Rectum. 2020 May;63(5):606-618. doi: 10.1097/DCR.0000000000001590.Dis Colon Rectum. 2020.PMID: 32032201