TY - GEN AU - Heymann,M A TI - Interrelations of fetal circulation and the placental transfer of drugs SN - 0014-9446 PY - 1972///0407 KW - Acidosis KW - chemically induced KW - Animals KW - Blood Circulation KW - Blood Pressure KW - drug effects KW - Bradycardia KW - Carbon Dioxide KW - blood KW - Cardiac Output KW - Female KW - Fetus KW - Gestational Age KW - Heart Rate KW - Hemodynamics KW - Hydrogen-Ion Concentration KW - Hypoxia KW - Lidocaine KW - pharmacology KW - Maternal-Fetal Exchange KW - Metabolic Clearance Rate KW - Oxygen KW - Placenta KW - blood supply KW - Pregnancy KW - Regional Blood Flow KW - Sheep KW - Time Factors KW - Umbilical Arteries KW - Umbilical Veins N1 - Publication Type: Journal Article ER -