Diane J. Grayson

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In a retrospective review of 55 patients with carcinoma of the colon and rectum, air contrast enema detected 91 per cent of the Dukes' A and B lesions and 96 per cent of the Dukes' C and D lesions. This roentgenographic method is an effective diagnostic tool for use at all colorectal levels, including the rectum. Results suggest that the initial work-up of(More)
This paper presents the results of an investigation into the various ways in which pre-service and in-service teachers experience learning to program in an object-oriented language. Both groups of teachers were enrolled in university courses. In most cases, the pre-service teachers were learning to program for the first time, while the in-service teachers(More)
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