Bethesda-Ballerup group

Be·thes·da-Bal·le·rup group

(be-thez'dă bal'ĕr-ŭp grūp),
A group of citrate-using, slow lactose-fermenting bacteria (family Enterobacteriaceae), which share a similar series of antigens with the lactose-fermenting citrobacters; these organisms are now included in the genus Citrobacter without a distinction between prompt and slow lactose fermentation.