<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: Botulinum Toxin Injection Improves Symptoms And Gastric Emptying After Lung Transplantation But Does Not Affect Pulmonary Outcomes: A 19-Year Retrospective Series[/INST] Yes</s>