Gynec. Invest. 1974;5:7-64 Scientific Abstracts 1 Systemic and Pulmonary Hemodynamic Resposes to Neurotransmitters during Fetal Development B. Nuwayhid, C. Brinkman, III, J. Bevan, C. Su and N.S. Assali Department of Obstetrics-Gynecology and Pharmacology, University of California, Los Angeles, Calif., USA Development of vascular receptors in pulmonary and systemic circulations and their reacti...