title: Flow injection mass spectral fingerprints demonstrate chemical differences in Rio Red grapefruit with respect to year, harvest time, and conventional versus organic farming.
authors.affiliation: Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, Maryland 20705, USA. pei.chen@ars.usda.gov
authors.forename: Pei
authors.initials: P
authors.lastname: Chen
authors.forename: James M
authors.initials: JM
authors.lastname: Harnly
authors.forename: Gene E
authors.initials: GE
authors.lastname: Lester