Variation of flavonoids and furanocoumarins in grapefruit juices: a potential source of variability in grapefruit juice-drug interaction studies.
J Agric Food Chem. 2006 Jan 11;54(1):249-55. doi: 10.1021/jf0516944.
J Agric Food Chem. 2006.
PMID: 16390207