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Clinical isolates (869) and stock cultures (35) of Enterobacteriaceae were tested in parallel with the Minitek and conventional systems. The Minitek correctly identified 822 of 904 cultures. When a deoxyribonuclease plate was inoculated along with the Minitek, it was possible to speciate Enterobacteriaceae within 24 h. False-positive hydrogen sulfide reactions were the major fault with this system. Reactions were clear-cut and easy for technologists to read.
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Kiehn et al. (1974) studied this question.
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