1. What is the evidence for a causal link between hygiene and infections?;Aiello,2002
2. Face washing promotion for preventing active trachoma;Ejere,2015
3. Integration of water, sanitation, and hygiene for the prevention and control of neglected tropical diseases: a rationale for inter-sectoral collaboration;Freeman,2013
4. Burden of disease from inadequate water, sanitation and hygiene in low- and middle-income settings: a retrospective analysis of data from 145 countries;Prüss-Ustün,2014
5. Talking dirty: how to save a million lives;Curtis,2003