RT Journal Article SR Electronic T1 The Effect of 3,3′-Methyle1se-Bis- (4-Hydroxycoumarin) (Dicumarol) on the Prothrombin and Coagulation Times of Blood JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 68 OP 72 VO 12 IS 2 A1 LeFevre, F. A. YR 1945 UL http://www.ccjm.org/content/12/2/68.abstract AB