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The addition of immunocytochemical staining procedures to a diagnostic cytology service enables greater specificity of interpretation for many common disease conditions, especially neoplastic diseases. However, well-tested immunohistochemical techniques may require modification for cytologic specimens, and other considerations are necessary when working(More)
A study was undertaken in 1975 to determine California encephalitis virus activity in southern Ontario. Three thousand and sixty-one mosquitoes, primarily Aedes species, were divided into 104 pools and inoculated into suckling mice. Isolates of snowshoe hare virus were obtained from one pool each of Aedes fitchii and A. triseriatus mosquitoes collected in(More)
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