Dyer, D C Comparison of the constricting actions produced by serotonin and prostaglandins on isolated sheep umbilical arteries and veins. [electronic resource] - Gynecologic investigation 1970 - 204-9 p. digital Publication Type: Journal Article ISSN: 0017-5986 Standard No.: 10.1159/000301973 doi Subjects--Topical Terms: AnimalsFemaleIn Vitro TechniquesMaternal-Fetal ExchangeModels, BiologicalPregnancyProstaglandins--administration & dosageSerotonin--administration & dosageSheepUmbilical Arteries--drug effectsUmbilical Veins--drug effectsVasoconstrictor Agents