[Biochemical differentiation of proteus strains from various clinical materials]

The material consisted of 729 strain of Proteus isolated from clinical samples in three microbiological laboratories of city of Lódź region. Our of these strains, 466 were Proteus mirabilis, and remaining represented: P. penneri-13 strains, P. vulgaris (II biogroup)-56 and 54 strains which were not classifiable on the basis of biochemical properties and scheme elaborated by Hickman et al. for biogroups of P. vulgaris. The authors indicate feasibility of differentiation of P. vulgaris basing on biochemical tests as a supplementary method to other tests of intracellular differentiation of Proteus.