Low-Beer, N., Kinnison, T., Baillie, S., Bello, F., Kneebone, R., & Higham, J. Hidden practice revealed: using task analysis and novel simulator design to evaluate the teaching of digital rectal examination. AMERICAN JOURNAL OF SURGERY, 201(1), 46-53. https://doi.org/10.1016/j.amjsurg.2010.09.004