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. 2023 Apr 20;8:18. doi: 10.21037/tgh-23-4

Table 1. The search strategy summary.

Items Specification
Date of search Databases searched up to December 20, 2022
Databases and other sources searched PubMed, Embase, Cochrane
Search terms used Colonoscopy, Technological advancements, history, timeline
Timeframe No specific time limitation was determined with aim to obtain most up to date information up to search date
Inclusion and exclusion criteria No language restriction was applied
All relevant articles related to search terms were evaluated
Exclusion criteria included abstracts, news articles, studies with statistical analysis, animal studies
Selection process Dr. Dahiya, Dr. Aziz and Dr. Nawras conducted data collection and consensus was obtained by Dr. Gangwani