1. Inversion injuries of the ankle: clinical assessment and radiographic review;C., Brooks S.; T., Potter B.; B, Rainey J.;British Medical Journal; Rationalising requests for X-ray examination of acute ankle injuries,1981
2. Reasons for requesting radiographs in an accident departmnent;Vargish T., Clarke W. R., Young R. A. & Jensen, A.;British Medical Journal; The ankle injury-indications for the selective use of X-rays,1979
3. Why do accident and emergency doctors request X-rays?;A., Warren R.; G, Fergusson D.;Archives of Emergency Medicine,1984