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We use educational data mining to arrive at models of help-seeking behaviors associated with learning from datasets from three countries: Costa Rica, the Philippines, and the USA. The models were then tested on each country's data to find out how effective help-seeking behavior varies across countries. This study found that models of effective help-seeking(More)
Angiosarcoma of the spleen is a rare neoplasm. We describe the clinical findings of an index case at our institution and the results of a literature review of the topic. Generally, this cancer has a poor prognosis and prompt splenectomy offers the only cure, as the cancer is poorly responsive to adjuvant chemotherapy.
Intraoperative enteroscopy is a valuable method for localizing gastrointestinal bleeding of obscure origin. The insertion and manipulation of an endoscope through an enterotomy, however, may result in significant trauma to the intestinal wall, as well as contamination of the abdominal cavity. We have devised a new technique for the introduction of the(More)
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