Arizono, Takeshi, Yukihide Iwamoto, Kiyotaka Okuyama, and Yoichi Sugioka. 1994. “Ethylene Oxide Sterilization of Bone Grafts: Residual Gas Concentration and Fibroblast Toxicity”. Acta Orthopaedica 65 (6):640-42. https://doi.org/10.3109/17453679408994621.