Wybo, Ingrid Differentiation of cfiA-negative and cfiA-positive Bacteroides fragilis isolates by matrix-assisted laser desorption ionization-time of flight mass spectrometry. [electronic resource] - Journal of clinical microbiology May 2011 - 1961-4 p. digital Publication Type: Evaluation Study; Journal Article ISSN: 1098-660X Standard No.: 10.1128/JCM.02321-10 doi Subjects--Topical Terms: Anti-Bacterial Agents--pharmacologyBacterial Proteins--analysisBacteriological Techniques--methodsBacteroides fragilis--chemistryHumansMeropenemSpectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization--methodsThienamycins--pharmacologybeta-Lactam Resistancebeta-Lactamases--analysis