- Author: World Health Organization
- Language: English
- Year: 2004
- Author: World Health Organization
- Language: English
- Year: 2004
- Author: Bruce Gordon, Richard Mackay, Eva Rehfuess
- Language: English
- Year: 2004
- Author: Karen Ivory
- Language: English
- Year: 2015
- Author: Eric D. Lehman
- Language: English
- Year: 2015
- Author: Yang Zhong
- Language: English
- Year: 2003
- Author: Daniel N. Nelson
- Language: English
- Year: 1980
- Author: Catherine Madden
- Language: English
- Year: 2017
- Author: E. Lynne Wright
- Language: English
- Year: 2012
- Author: Robert H. Duke
- Language: English
- Year: 2014