Beswick W, Cooper D, Whelan G
Med Educ. 1982 Jul;16(4):197-201. doi: 10.1111/j.1365-2923.1982.tb01248.x.
A videotape demonstration of the physical examination of the alimentary system was used, in place of a traditional lecture, in the first week of a teaching programme for half of a group of commencing, clinical students. At the end of the week, these students obtained higher scores than the matched controls in a clinical assessment which utilized an objective scoring-chart especially for this study.