Methods Bacteroides fragilis infection of clinical speciments was examined with immunofluorescent assay using monoclonal antibody pool angainst B. fragilis as the diagnostic agent.

• 方法首次使用抗脆弱类杆菌单克隆抗体池作为诊断试剂，采用免疫荧光法直接检测感染灶中的脆弱类杆菌。