Introduction: Hip fractures are common, especially in the elderly patients.As the elderly population grows, the number o......

Background:After the Institute of Medicine(IOM)report To Err Is Human highlighted the impact of medical errors,the Agenc......

通过介绍美国医疗保健研究与质量局（AHRQ）对美国国家医疗保健质量和差异性的评价方法及其在评价美国各州医疗卫生绩效方面的应用，旨在......