Environmental Health Perspectives (EHP) is a monthly journal of peer-reviewed research and news on the impact of the environment on human health. EHP is published by the National Institute of Environmental Health Sciences and its content is free online. Print issues are available by paid subscription.DISCLAIMER
On
The Cover: Fluorescent-stained protozooan organisms (Cryptosporidium
and Giardia species) sometimes found as contaminants in water systems.
See Focus, p 30.
