Chenu, P., Schroeder, E., Buche, M., & Marchandise, B. (1994). Bilateral coronary ostial stenosis and aortic valvular disease after radiotherapy. European Heart Journal (English Edition), 15(8), 1150-1151. https://doi.org/10.1093/oxfordjournals.eurheartj.a060644 (Original work published 1994)