1
by Jonsen, Albert R.
Published 1993
National Academy Press

2
by Bulger, Ruth Ellen
Published 1995
National Academy Press

3
by Berg, Rigmor C., Denison, Eva, Fretheim, Atle
Published 2010
Norwegian Knowledge Centre for the Health Services

4
by Hedesan, Georgiana D.
Published 2017
Elsevier/Academic Press

5
by De Vries, Leslie E.
Published 2017
Columbia University Press