title: A simple procedure for the confirmation of residues of alpha-and beta-endosulfan, dieldrin, endrin, and heptachlor epoxide.
mesh_terms: D002849:Chromatography, Gas; D004026:Dieldrin / Q000032:analysis*; D004726:Endosulfan / Q000032:analysis*; D004732:Endrin / Q000032:analysis*; D006533:Heptachlor / Q000031:analogs & derivatives*; D006534:Heptachlor Epoxide / Q000032:analysis*; D008722:Methods; D010573:Pesticide Residues / Q000032:analysis*
chemical_list: D010573:Pesticide Residues; D006534:Heptachlor Epoxide; D006533:Heptachlor; D004026:Dieldrin; D004732:Endrin; D004726:Endosulfan