1. Elstrom JA, Pankovich AM (1983) Acute rupture of the Achilles tendon. In: Evarts CM (ed) Surgery of the musculoskeletal system. Churchill Livingstone, New York, p 172
2. Fornage BD, Rifkin MD, Touche DH, Segal PM (1984) Sonography of the patellar tendon: preliminary observations. AJR 143:179
3. Larson RL, Jones DC (1984) Disruption of the extensor mechanism. In: Rockwood CA Jr, Green DP (eds) Fractures in adults. J B Lippincott, Philadelphia, p 1489
4. Li KC, Henkelman RM, Poon PY, Rubenstein J (1984) MR imaging of the normal knee. J Comput Assist Tomogr 8:1147
5. Mayer R, Wilhelm K, Pfiefer KJ (1984) Sonography of Achilles tendon rupture. Digit Bilddiagn 4:185