Nielsen-Kudsk, J E Enprofylline and theophylline on small human placental arteries: studies of in vitro effects and mode of action. [electronic resource] - Acta pharmacologica et toxicologica Feb 1985 - 176-82 p. digital Publication Type: Journal Article ISSN: 0001-6683 Standard No.: 10.1111/j.1600-0773.1985.tb01272.x doi Subjects--Topical Terms: Arteries--drug effectsBronchodilator Agents--pharmacologyCalcium--pharmacologyDose-Response Relationship, DrugFemaleHumansIn Vitro TechniquesPlacenta--blood supplyPotassium--pharmacologyPregnancyProstaglandins--pharmacologyTheophylline--pharmacologyVasoconstriction--drug effectsVasodilation--drug effectsXanthines--pharmacology