Gayanga Weerasekera

Concentrations of dialkyl phosphate metabolites of organophosphorus pesticides in the U.S. population.

Dana Boyd Barr, Roberto Bravo, Gayanga Weerasekera et al. · Environmental Health Perspectives · 2003 · 297 citations · Full text

Engineering, Pesticide-residue Analysis, Organophosphorus Pesticides +20

Concentrations of selective metabolites of organophosphorus pesticides in the United States population

Dana Boyd Barr, Ruth Allen, Anders Olsson et al. · Environmental Research · 2005 · 174 citations

Selective Metabolites, Engineering, Pesticide-residue Analysis +11

Measurement of dialkyl phosphate metabolites of organophosphorus pesticides in human urine using lyophilization with gas chromatography-tandem mass spectrometry and isotope dilution quantification

Roberto Bravo, L Caltabiano, Gayanga Weerasekera et al. · Journal of Exposure Science & Environmental Epidemiology · 2004 · 172 citations

Human Urine, Biochemistry, Pesticide-residue Analysis +12

The Presence of Dialkylphosphates in Fresh Fruit Juices: Implication For Organophosphorus Pesticide Exposure and Risk Assessments

Chensheng Lu, Roberto Bravo, L Caltabiano et al. · Journal of Toxicology and Environmental Health · 2005 · 131 citations

Urinary Concentrations of Dialkylphosphate Metabolites of Organophosphorus Pesticides: National Health and Nutrition Examination Survey 1999–2004

Dana Boyd Barr, Lee-Yang Wong, Roberto Bravo et al. · International Journal of Environmental Research and Public Health · 2011 · 79 citations · Full text

Pesticide-residue Analysis, Exposure Assessment, Organophosphorus Pesticides +20