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作者研究了沙门氏菌、弯曲杆菌、小肠结肠炎耶尔森氏菌和志贺氏菌感染是否伴有死亡率升高以及病前状态的影响。
The authors investigated whether Salmonella, Campylobacter, Yersinia enterocolitica and Shigella infection are associated with increased mortality and premorbid status.