Horrobin, D F Are methyl xanthines used as phosphodiesterase inhibitors also prostaglandin antagonists [proceedings]? [electronic resource] - The Journal of physiology Mar 1977 - 60P-61P p. digital Publication Type: Journal Article ISSN: 0022-3751 Subjects--Topical Terms: AnimalsFemaleMaleMesenteric Arteries--drug effectsPhosphodiesterase InhibitorsProstaglandin Antagonists--pharmacologyRatsXanthines--pharmacology