<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: A Randomized Control Study Evaluating The Efficacy Of A Hemostatic Powder (Ui-Ewd) In Decreasing The Rate Of Upper Gastrointestinal Re-Bleeding In Patients Treated With Endoscopic Therapy For High-Risk Lesions[/INST] Yes</s>