<s>[INST] Given an abstract text, please determine whether it contains any drug mentions. Provide a 'Yes' or 'No' answer based on the presence or absence of drugs. Abstract Text: Nitrous Oxide Cryoballoon Ablation For Eradication Of Non-Ampullary Sporadic And Familial Duodenal Adenomas:Preliminary Results Of A Multicenter Clinical Trial[/INST] Yes</s>