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A great deal has been written about the use of web-based technologies such as the Internet in promoting learning in education. In schools, research has focused primarily on social interaction and group work, student achievement levels and curriculum development. Very little study seems to have been brought to bear upon the promotion of creative thinking by(More)
The local lymph node assay (LLNA) assesses the sensitizing activity of chemicals by measurement of primary lymphocyte proliferation in lymph nodes draining the site of application. In this final inter-laboratory study the consistency of LLNA results between laboratories and with guinea pig maximization test (GPMT) data was examined under 'field' conditions.(More)
Obesity, excess fat tissue in the body, can underlie a variety of medical complaints including heart disease, stroke and cancer. The pig is an excellent model organism for the study of various human disorders, including obesity, as well as being the foremost agricultural species. In order to identify genetic variants associated with fatness, we used a(More)
The local lymph node assay is a novel predictive test for the identification of contact allergens. The collaborative study reported here was performed to evaluate the reliability of the method when performed in independent laboratories. Eight chemicals were examined in each of 4 participating laboratories and results compared with predictions of(More)
The 22q11 deletion syndrome has been described by the acronym “CATCH 22” (Cardiac defects, Abnormal facies, Thymic hypoplasia, Cleft palate, and Hypocalcaemia resulting from 22q11 deletions). Previous studies have indicated that other features such as growth retardation, developmental delay, renal abnormalities, psychiatric problems, and neurological(More)
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