Roddy Chapman

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The effect of academic stress on immune function, as measured by the rate of secretion of salivary secretory immunoglobulin A (s-IgA), was studied prospectively in 64 first-year dental school students. Perceived stress and s-IgA secretion rate were measured five times--during an initial low-stress period, three high-stress periods coinciding with major(More)
The aetiology and pathogenesis of PSC have not yet been clearly defined. The hypothesis that PSC is an immune mediated disease is supported by associations with HLA haplotypes, the presence of autoantibodies, increased levels of total serum immunoglobulins and the association with other autoimmune diseases. PSC does not, however, have many of the(More)
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