title: Comparison of three extraction and cleanup methods for determining carbon-14-labeled residues from wheat plants grown in soil treated with dyfonate-ring-14C.
mesh_terms: D002250:Carbon Radioisotopes; D004397:Fonofos / Q000032:analysis; D005782:Gels; D007306:Insecticides / Q000032:analysis*; D007553:Isotope Labeling; D008722:Methods; D010573:Pesticide Residues / Q000032:analysis*; D010936:Plant Extracts / Q000032:analysis; D012822:Silicon Dioxide; D012987:Soil / Q000032:analysis; D012997:Solvents; D014908:Triticum / Q000032:analysis*
chemical_list: D002250:Carbon Radioisotopes; D005782:Gels; D007306:Insecticides; D010573:Pesticide Residues; D010936:Plant Extracts; D012987:Soil; D012997:Solvents; D012822:Silicon Dioxide; D004397:Fonofos