Borer, A Septic arthritis due to bacteroides fragilis after pilonidal sinus resection in a patient with rheumatoid arthritis. [electronic resource] - Clinical rheumatology Nov 1997 - 632-4 p. digital Publication Type: Case Reports; Journal Article ISSN: 0770-3198 Standard No.: 10.1007/BF02247808 doi Subjects--Topical Terms: AgedArthritis, Infectious--etiologyArthritis, Rheumatoid--complicationsBacteroides Infections--complicationsBacteroides fragilisHumansMalePilonidal Sinus--surgery