<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: Antiperistalsis Effect Of L-Menthol Sprayed Into Duodenum During Ercp:Initial Results Of Prospective Two-Center Randomized Placebo-Controlled Study[/INST] Yes</s>