Yotsuji, A Immunological properties of a novel beta-lactamase produced by Bacteroides fragilis. [electronic resource] - The Journal of antibiotics Nov 1984 - 1483-5 p. digital Publication Type: Journal Article ISSN: 0021-8820 Standard No.: 10.7164/antibiotics.37.1483 doi Subjects--Topical Terms: AnimalsBacteroides fragilis--enzymologyCross ReactionsImmune Sera--immunologyRabbitsbeta-Lactamases--immunology