Tom Beissel

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PURPOSE The purpose of this study was to assess whether the plasma norepinephrine/3,4-dihydroxyphenylglycol ratio (NE/DHPG) is of diagnostic relevance for patients with a pheochromocytoma. SUBJECTS AND METHODS In 18 patients with a histologically proven pheochromocytoma and in nine patients with congestive heart failure, plasma levels of NE, epinephrine(More)
Nucleic acid sequences of the prion gene (PRNP) were examined and genotypes compiled for 76 white-tailed deer from northern Illinois, which previously tested positive for chronic wasting disease (CWD), and 120 negative animals selected to control for geographic location and age. Nine nucleotide polymorphisms, seven silent and two coding, were found in the(More)
The landscape can influence host dispersal and density, which in turn, affect infectious disease transmission, spread, and persistence. Understanding how the landscape influences wildlife dispersal and pathogen epidemiology can enhance the efficacy of disease management in natural populations. We applied landscape genetics to examine relationships among(More)
The evaluation and management of patients with occult bacteremia is controversial. The purpose of this study was to define the prevailing practices in the emergency management of occult bacteremia. Short, anonymous surveys were mailed to all 517 members of the Section on Emergency Medicine at the American Academy of Pediatrics. Three hundred six (59%) of(More)
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