Johnston, A Effect of grapefruit juice on blood cyclosporin concentration. [electronic resource] - Lancet (London, England) Jul 1995 - 122-3; author reply 123-4 p. digital Publication Type: Comment; Letter ISSN: 0140-6736 Subjects--Topical Terms: Antioxidants--analysisBeverages--analysisCitrus--chemistryCyclosporine--bloodFlavanonesFlavonoids--analysisHumans