Brook, I The clinical importance of all members of the Bacteroides fragilis group. [electronic resource] - The Journal of antimicrobial chemotherapy Mar 1990 - 473-4 p. digital Publication Type: Comment; Letter ISSN: 0305-7453 Standard No.: 10.1093/jac/25.3.473 doi Subjects--Topical Terms: Bacteroides Infections--mortalityBacteroides fragilis--isolation & purificationHumans