Trevor J Mathis

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INTRODUCTION Over the last 60 years, there has been a nationwide decrease in the number of operations performed for peptic ulcer disease (PUD). In contrast, the experience at our university-based safety net hospital (SNH) was that ulcer operations are still performed frequently. We hypothesized that differences in frequency of PUD operation may occur in(More)
Once introduced into a new ecosystem, the benthic bivalve Corbicula fluminea (Asian clam) will spread rapidly through both active and passive transport. In Lake Tahoe, CA-NV, where C. fluminea was introduced in 2002, populations have been found to thrive at shallow depths, where individuals are reproductive, but also at deeper depths where the only possible(More)
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