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47 T here must be some truth to the theory that software development in " Internet time, " much like a dog's life, actually compresses seven years of experience, effort, and activity into a single year. It has been six years since my organization, Castek, embarked upon our voyage of component-based application development. In that time we have successfully… (More)
Cauda equina syndrome is an uncommon complication of ankylosing spondylitis (AS), but results in significant morbidity in those patients affected. We report 2 patients who developed classical cauda equina syndrome, which was well visualized by magnetic resonance imaging. This technique allows accurate noninvasive diagnosis of this complication of AS.
A survey of 37 inbred strains for erythrocyte purine nucleoside phosphorylase activity showed a greater than threefold range. Six of these strains had significantly greater activity than the others, and all of the high-activity strains had the Np-2 electrophoretic band. The high-purine nucleoside phosphorylase activity trait corresponding to Np-2 was… (More)