Christopher Roberts Ma, M.D. is an associate professor at the University of California. He has been a researcher who has provided relevant data on post-cartilage injury and recovery. Christopher has been an innovative teacher with ideas, along with solid clinical judgment. He has been a visiting practitioner at an orthopedic clinic in Los Angeles where he helps out people suffering from bone injuries caused by severe accidents. He has more than 12 years of knowledge in diagnosing and treating people with severe injuries. His knowledge and experience help him with quick decision-making skills whilst handling critical cases