title: PCBs and organochlorine insecticides in oysters from coastal lagoons of the Gulf of Mexico, Mexico.
mesh_terms: D000818:Animals; D003634:DDT / Q000032:analysis; D004026:Dieldrin / Q000032:analysis; D007306:Insecticides / Q000032:analysis*; D008800:Mexico; D010125:Ostreidae / Q000032:analysis*; D011078:Polychlorinated Biphenyls / Q000032:analysis*
chemical_list: D007306:Insecticides; D003634:DDT; D011078:Polychlorinated Biphenyls; D004026:Dieldrin