RT Journal Article SR Electronic T1 The Effect of [3,3′ - Methylene - 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 147 OP 152 VO 9 IS 3 A1 LeFevre, Fay A. YR 1942 UL http://www.ccjm.org/content/9/3/147.abstract AB