An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Pellizzari ED, Wallace LA, Gordon SM.Pellizzari ED, et al. Among authors: wallace la.J Expo Anal Environ Epidemiol. 1992 Jul-Sep;2(3):341-55.J Expo Anal Environ Epidemiol. 1992.PMID: 1422163
Thomas KW, Pellizzari ED, Clayton CA, Perritt RL, Dietz RN, Goodrich RW, Nelson WC, Wallace LA.Thomas KW, et al. Among authors: wallace la.J Expo Anal Environ Epidemiol. 1993 Jan-Mar;3(1):49-73.J Expo Anal Environ Epidemiol. 1993.PMID: 7686062