1. Directorate of Toxicology, Building E2100, U.S. Army Center for Health Promotion and Preventive Medicine (CHPPM), Aberdeen Proving Ground, Maryland 21010-5403, Cell and Molecular Biology, U.S. Army Medical Research Institute of Chemical Defense, Aberdeen Proving Ground, Maryland 21010-5400, Directorate of Laboratory Sciences, CHPPM, Aberdeen Proving Ground, Maryland 21010-5403, and Environmental Laboratory, U.S. Army Engineer Research and Development Center, 3909 Halls Ferry Road, Vicksburg, Mississippi...