CANNAVA, A [Is 3-methyl-4-hydroxycoumarin the active principal to which we attribute the hypoprothrombinizing action of Ferula communis]. [electronic resource] - Bollettino chimico farmaceutico Apr 1958 - 207-12 p. digital Publication Type: Journal Article ISSN: 0006-6648 Subjects--Topical Terms: 4-HydroxycoumarinsCoumarins--analogs & derivativesFerulaPlantsProthrombin Time--drug effects