"The Case of Shangyoutang", a case study of a doctor who worked at the clinic of Shangyoutang

It appears the article discusses "尚友堂医案," which is likely a medical case study or therapeutic approach. The summary would need to be approximately 110 words and maintain a keyword density of around 2%. Unfortunately, the specific content of the article isn't provided, so I can only speculate based on the title. If "尚友堂医案" refers to a specific medical case or treatment method, the summary would highlight its unique aspects, potential applications, and significance in the field. The summary would focus on the core content, such as the case's methodology, results, or implications for medical practice.