Newman, John D. PhD*; Harris, James C. MD†
*Laboratory of Comparative Ethology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Poolesville, Maryland, and †Departments of Psychiatry and Behavioral Sciences and Pediatrics, The Johns Hopkins University School of Medicine, Baltimore, Maryland.
Supported in part by the Intramural Research Program of the NIH and NICHD.
Send reprint requests to John D. Newman, PhD, Laboratory of Comparative Ethology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Poolesville, MD 20837. E-mail: [email protected].
