3Brykcznyski,KA.Patricia Benner:From novice to expert:Excellence and power in clinical nursing practice.In A.M.Tomey & M.R.Alligood (eds.),Nursing Theorists and Their Work,5th ed,St Louis:Mosby,165-185.
4To err is human:Building a safer health system.Washington,DC:National Academy Press,http://www.nap.edu/books/0309068371/html.