LEVAN, J B Dicoumarol therapy. [electronic resource] - Annals of internal medicine Dec 1946 - 941-9 p. digital Publication Type: Journal Article ISSN: 0003-4819 Standard No.: 10.7326/0003-4819-25-6-941 doi Subjects--Topical Terms: Coumarins--therapyDicumarolHumans