筛选: Keyword Clostridium difficile 删除限定条件 Keyword: Clostridium difficile Keyword Long term care facilities 删除限定条件 Keyword: Long term care facilities Research Field Health Sciences, Epidemiology 删除限定条件 Research Field: Health Sciences, Epidemiology Research Field Health Sciences, Public Health 删除限定条件 Research Field: Health Sciences, Public Health