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Relative frequencies of words in the colonoscopy video set and the combined top 5 neighbor term video set. Words that are “key” to each video set were plotted. Original: the set of videos found with the search query “colonoscopy.” Reference: the set of videos found with 5 nearest terms to “colonoscopy” (“suprep,” “peg,” “sutab,” “plenvu,” and “miralax”). chi2: chi-square value.
