title: Fly control, chronic toxicity, and residues from feeding propyl thiopyrophosphate to laying hens.
mesh_terms: D000818:Animals; D002645:Chickens / Q000187:drug effects*; D011756:Diphosphates / Q000633:toxicity*; D004175:Diptera / Q000187:drug effects*; D006793:Houseflies / Q000187:drug effects*; D013455:Sulfur
chemical_list: D011756:Diphosphates; D013455:Sulfur