- Author: Sarah K. C. Mauldin, Ellyssa Kroski
- Language: English
- Year: 2015
- Author: M. N. Hegde
- Language: English
- Year: 2006
- Author: Ertugrul Ercan, Gulfem Ece
- Language: English
- Year: 2015
- Author: World Health Organization
- Language: English
- Year: 2014
- Author: David Barlow, David Mountford
- Language: English
- Year: 2014
- Author: Alberto Cordoba
- Language: English
- Year: 2014
- Author: Priscille Dando
- Language: English
- Year: 2013
- Author: Bhaskar Dutta, Tridip Ray, E Somanathan
- Language: English
- Year: 2009