An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Inverse association between Cladosporium sp. and skin prick tests(+) to any allergen. Each bar represents the geometric mean of spore concentration and error bars represent the 95% confidence interval.