<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: Banxia Xiexin Decoction Improves Gastric Atrophy And Intestinal Metaplasia In Patients With Chronic Atrophic Gastritis:A Multicenter, Randomized, Double-Blind, Placebo-Controlled Trial[/INST] Yes</s>