源醫生於7.7.19 星期日參與老有所醫慈善活動。當天有過百位醫護及學生義工，共同照顧了二百多位病人。Dr. Yuen participated in DoctorNow Needs’ volunteer work on Sunday July 7th. On that day, together with 100 medical colleagues and student volunteers, the team consulted over 200 elderly patients.
