6′,7′-Dihydroxybergamottin in grapefruit juice and Seville orange juice: Effects on cyclosporin disposition, enterocyte CYP 3A4, and P-glycoprotein. - Edward ,D.J,.; Fitzsimmons ,M.E,.; Schuetz ,E.G,.; Yasuda ,K,.; Ducharme ,M.P,.; Warbasse ,L.H et al.. (Clin. Pharmacol. Ther., 1999)