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Summary: Biochemical reactions of 153 Providence (29911 type) and 63 Proteus cultures were examined. Providence cultures are included in the genus Proteus, as their cultural characters are similar; this relationship is strengthened by the production of l-amino acid oxidase and glutamic acid decarboxylase by both. Proteus inconstans Ornstein nov.comb. is the name proposed for Providence cultures.
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Shaw et al. (1955) studied this question.
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