[The identification of lactose-negative enterobacteria]

Study of the morphologic and enzymatic characteristics of 10 strains of lactose-negative enterobacteria, sent to the L. A. Tarasevich State Institute for Control and Standardization as B. paracoli in order to determine their taxonomic status in accordance with the 1974 and 1984 Bergey classifications has referred 9 of these strains to Hafnia alvei.