Drugs and Poisons in Relation to the Developing Human-NORMAN KRETCHMER. Parameters of the Developing Nervous System: Cell Proliferation and Migration in the Developing Brain-RICHARD L.SIDMAN. Sequential Steps in Embryonic Development: Some Implications for Development Pharmacology-ALFRED J.COULOMBRE.The Role of Sensitive or Critical Periods in Teratogenesis - JOSEF WARKANY. Evaluation of Drug Effects by Cytogenetic Investigation-MAIMON COHEN. Teratology-Its Application to the Human-GILBERT W.MELLIN. Myelination-GUY M. McKHANN. Lipids and Neuronal Development-ROBERT M. BURTON. Problems in the Study of Neuronal Development-J.A.LOWDEN. The Action of Thyroid Hormones in Brain and Other Tissues-LOUIS SOKOLOFF.Developmental Neurophysiology-ROBERT J. ELLINGSON- Eletroencephalogram and Brain Maturation in Infants-ARTHUR H.PARMELEE. Role of a Regulatory Agency-JAMES L. GODDARD.Epidemiologic Approaches: Collaborative Perinatal Research Project-JOSEPH S. DRAGE. Epidemiologic Approaches-GILBERT W.MELLIN-Short and Long-Term Effects of Acute Poisoning-ALAN DONE. Specific Model Systems: Fetal Anoxia-RICHARD E. BEHRMAN.Basic Concepts of the Cerebral Circulation and Metabolism-LOUIS SOKOLOFF. Asphyxia and Cerebral Gangliosides-J.A. LOWDEN.Neuropathological Aspects of Neonatal Anoxia-LUCIEN J.RUBINSTEIN.Neuropathological Observations on the Respiratory Distress Syndrome of the Newborn-MICHAEL M. BRAND. Hypercalcemia and Mental Retardation-HOBART WILTSE. Public Policy and Regulation of Vitamin D Supplementation-CHARLES U.LOWE. Effects of Drugs on Various Parameters of the Developing Nervous System-DIXON M.WOODBURY. Lead Poisoning-HAROLD E. ARRISON. Heavy Metal Poisoning-LEONARD T.KURLAND. Summation-Conclusions and Recommendations-AVRAM GOLDSTEIN EDGAR A. BERING, Jr.