Paroxysmal nocturnal hemoglobinuria:  report of four cases, with observations on treatment with 3, 3'-methylenebis (4-hydroxycoumarin) (dicumarol).
D015110:4-Hydroxycoumarins; D003374:Coumarins / Q000031:analogs & derivatives; D001728:Dicumarol; D006456:Hemoglobinuria; D006457:Hemoglobinuria, Paroxysmal / Q000628:therapy*; D006801:Humans
D015110:4-Hydroxycoumarins; D003374:Coumarins; D001728:Dicumarol; C030123:coumarin; C068805:4-hydroxycoumarin
COUMARIN/derivatives; HEMOGLOBINURIA, PAROXYSMAL/therapy