Sarah Elizabeth Clark

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Obesity has reached epidemic proportions, in the United States as well as among its trade partners such as Mexico. It has been established that an "obesogenic" (obesity-causing) food environment is one influence on obesity prevalence. To isolate the particular role of NAFTA, the North American Free Trade Agreement, in changing Mexico's food environment, we(More)
The growth in the use of small portable analysers outside hospital laboratories has been a cause of concern to laboratory practitioners. This has been partly because of a perceived threat to laboratory careers and partly because of fears that the quality of testing would be poor, with a consequent danger of patients being placed at risk. The evidence in(More)
Fang Qian ii To my loving husband, Tanner To my supportive parents, Dan and Karen To my inspirational sister and brother, Kristin and John iii ACKNOWLEDGMENTS I would like to thank Drs. Qian for serving on my thesis committee and for all the input and support during this project. I would also like to thank Jeff Harless for his patience, support, and insight(More)
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