* Ray Freeman: “A Handbook of Nuclear Magnetic Resonance, Longman 1988* The one Stop - Knee Shop; A complete guide to knee fitness, prevention and health maintenance strategies, and medical and surgical care options; Hg.
* Ray Freeman: “A Handbook of Nuclear Magnetic Resonance, Longman 1988* The one Stop - Knee Shop; A complete guide to knee fitness, prevention and health maintenance strategies, and medical and surgical care options; Hg.