Institution: | (1) Laboratory of Comparative Ethology, National Institute of Child Health and Human Development, P.O. Box 529, Poolesville, Maryland, 20837;(2) Present address: LABS of Virginia, Inc., P.O. Box 557, Yemassee, South Carolina, 29945;(3) The Mannheimer Foundation, Inc., 20255 SW 360 St., Homestead, Florida, 33034 |