Comment on ‘Household Water Treatment in Poor Populations: Is There Enough Evidence for Scaling up Now?’

Clasen, Thomas, Jamie Bartram, John Colford, Stephen Luby, Robert Quick, and Mark Sobsey. 2009. “Comment on ‘Household Water Treatment in Poor Populations: Is There Enough Evidence for Scaling up Now?’” Environmental Science & Technology 43 (14): 5542–5544. doi:10.1021/es9008147.