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To the Editor:
—The report by Fullerton, Kollar, and Caldwell (181:463 [Aug 11] 1962), of patients with ulcerative colitis, constitutes a valuable addition to our growing information on some of the psychological aspects of this disorder. I was particularly gratified to find a considerable measure of validation of many of the psychological data we reported some years ago, based on clinical observation (Engel, G.L.: Studies of Ulcerative Colitis: III. Nature of Psychologic Processes, Amer J Med19:231 [Aug] 1955).However, as reported, the study by Fullerton et al has certain limitations which I feel should be made explicit, since they are not sufficiently emphasized in their paper. For one thing, this report would more properly be identified as a study of men with ulcerative colitis rather than a study of ulcerative colitis. The authors note, but do not sufficently emphasize, that 45 out of the 47 patients were
Engel GL. A Clinical Study of Ulcerative Colitis. JAMA. 1963;183(3):221. doi:10.1001/jama.1963.03700030097024