Clinical Emergence of Bacteroides- Associated Anaerobic Bacteremia Due to Drug-Resistant Non- Bacteroides fragilis Species: A Multicentric Retrospective Observational Study. - Kubo, Ryotaro; Iwanaga, Naoki; Nagaoka, Kentaro; Murai, Yushi; Ashizawa, Nobuyuki; Yoshida, Masataka; Takeda, Kazuaki; Ide, Shotaro; Takazono, Takahiro; Kosai, Kosuke (Open Forum Infectious Diseases, 2026)