Vogt R F, Henderson L O, Ethridge S F, Huang E Y, White J T, Meredith N K
Division of Environmental Health Laboratory Sciences, Centers for Disease Control, Atlanta, Georgia 30333.
Ann N Y Acad Sci. 1993 Mar 20;677:462-4. doi: 10.1111/j.1749-6632.1993.tb38817.x.