SIOUX FALLS, S.D. (AP) — A group of Sioux Falls surgeons has stopped selling surgical implants at a local hospital amid concerns over conflicts of interest and legality. The Argus Leader reports (http://argusne.ws/1ywLI9G ) Great Plains Surgical Distributors is owned by nine Orthopedic Institute surgeons who work at the nearby Sioux Falls Specialty Hospital.Read more on NewsOK.com