- Author: Chinua Akukwe
- Language: English
- Year: 2008
- Author: Karen Kruse Thomas
- Language: English
- Year: 2011
- Author: Raymond W. Inhurst
- Language: English
- Year: 2009
- Author: David Blumenthal, Marilyn Moon, Mark Warshawsky, Christina Boccuti
- Language: English
- Year: 2003
- Author: World Health Organization
- Language: English
- Year: 2002
- Author: Mark W. Friedberg, Emma Pitchforth, Peggy G. Chen, Kristin R. Van Busum, Frances M. Aunon, Robert H. Brook, John P. Caloyeras, F. Jay Crosson, Soeren Mattke, Chau Pham
- Language: English
- Year: 2013
- Author: Carrie M. Farmer, Christine Anne Vaughan, Jeffrey Garnett, Robin M. Weinick
- Language: English
- Year: 2015
- Author: Ingrid Wolfe, Martin McKee
- Language: English
- Year: 2013