title: Residues of chlorpyrifos insecticide in various crops. I. Sweep co-distillation method for extraction and cleanup.
mesh_terms: D004390:Chlorpyrifos / Q000032:analysis*; D002849:Chromatography, Gas; D005504:Food Analysis; D005638:Fruit / Q000032:analysis; D007558:Italy; D008722:Methods; D010573:Pesticide Residues / Q000032:analysis*; D010945:Plants, Edible / Q000032:analysis*; D010947:Plants, Toxic; D012987:Soil / Q000032:analysis; D014026:Nicotiana / Q000032:analysis; D014675:Vegetables / Q000032:analysis; D003313:Zea mays / Q000032:analysis
chemical_list: D010573:Pesticide Residues; D012987:Soil; D004390:Chlorpyrifos