Some sources:
Pavlov H, Saboeiro GR, Campbell SE, Dalinka MK, Daffner RH, DeSmet AA, El-Khoury GY, Kneeland JB, Manaster BJ, Morrison WB, Rubin DA, Schneider R, Steinbach LS, Weissman BN, Haralson RH III, Expert Panel on Musculoskeletal Imaging. Acute trauma to the knee [online publication], Reston (VA): American College of Radiology (ACR); 2005. 9p. [97 references]
American College of Radiology Practice Guideline for the Performance and Interpretation of Magnetic Resonance Imaging (MRI) of the Knee, 10/01/05.
Wilkinson ID, Paley MNJ. Magnetic resonance imaging: basic principles. In: Grainger RC, Allison D, Adam, Dixon AK, eds. Diagnostic Radiology: A Textbook of Medical Imaging. 5th ed. New York, NY: Churchill Livingstone; 2008:chap 5.
Edwin H.G. Oei et al, MRI for Traumatic Knee Injury: A Review
Seminars in Ultrasound, CT, and MRI
Volume 28, Issue 2, April 2007, Pages 141-157