21
by Owens, Douglas K.
Published 2004
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Healthcare Research and Quality

22
by Roache, Rebecca, Savulescu, Julian
Published 2016
Oxford University Press

24
by Goodman, David C., Fisher, Elliott S., Bronner, Kristen K.
Published 2009
The Dartmouth Institute for Health Policy and Clinical Practice

25
by Lavis, John, Permanand, Govin, Catallo, Cristina
Published 2013
European Observatory on Health Systems and Policies