title: Collaborative study of the recovery of hexachlorobenzene and mirex in butterfat and fish.
mesh_terms: D002079:Butter / Q000032:analysis*; D002722:Chlorobenzenes / Q000032:analysis*; D005069:Evaluation Studies as Topic; D005396:Fish Products / Q000032:analysis*; D006581:Hexachlorobenzene / Q000032:analysis*; D007306:Insecticides / Q000032:analysis*; D008722:Methods; D008832:Microchemistry; D008917:Mirex / Q000032:analysis*
chemical_list: D002722:Chlorobenzenes; D007306:Insecticides; D006581:Hexachlorobenzene; D002079:Butter; D008917:Mirex