Agency for Health Care Research and Quality (United States department of Health and Human Services), via www.ahrq.gov , choisir " Quality and patient safety" ; le document " To err is human: building a safer health system" peut être consulté via ce site.
Agency for Health Care Research and Quality (United States department of Health and Human Services), via www.ahrq.gov , kies Quality and patient safety; via deze website kan o.a. het document To err is human: building a safer health system worden geraadpleegd.