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Although several studies have examined the effect of human odor on kin recognition and mate choice, few have focused on the impact of familiarity on recognition of nonrelatives by olfactory cues. As part of a program designed to engage students in scientific research, 53 high school students researched, planned, and implemented a project to analyze the(More)
The authors report on a case of solitary ulcer of the large bowel associated with mucosal melanosis, stressing the peculiar nature of this rare pathology and its differentiation from solitary ulcer of the rectum. The pathogenesis of the disease is still unknown and histological data from biopsies performed at various time intervals in chronic cases show, in(More)
A clinical case of multiple duodenal carcinoid involving the ampulla in a woman with von Recklinghausen's neurofibromatosis (VRNF) is described. The Authors review the literature of the 20 cases previously reported and discuss the significance of such an association. Carcinoid tumors of the duodenum represent 2-5% of all carcinoid found in the general(More)
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