Chlordane toxicity: No. 25, Case Studies in Environmental Medicine, US Department of Health and Human Services, Public Health Services, Agency for Toxic Substances and Disease Registry, Division of Health Education, E33, 1600 Clinton Road, N.E., Atlanta, GA 30333, 26 pages. (For more information, call the National Pesticide Telecommunications Network (NPTN) at 1-800-858-7378 or the 24-h hotline at the same number.)