Clinics in Orthopedic Surgery《骨外科临床》（季刊）. Clinics in Orthopedic Surgery (CiOS; ISO abbreviation: Clin Orthop Surg), the official English journal of the Korean Orthopaedic Association (KOA), is an international, peer-reviewed journal launched in 2009. The journal intends to serve as a source of information and education for orthopedic surgeons and readers. It covers all clinical fields of orthopedic surgery including epidemiology, regenerative medicine, stem cell therapy, robotic surgery, and other computer assisted surgical technology, as well as clinically relevant basic research. It is a quarterly journal published in March 1, June 1, September 1, and December 1. Number of circulation of print copies is 800.
