title: A proposed standardized bioassay for formulations of Bacillus thuringiensis based on the international unit.
mesh_terms: D000821:Animal Feed; D000818:Animals; D001407:Bacillus; D001428:Bacterial Vaccines / Q000592:standards*; D001681:Biological Assay / Q000592:standards; D004731:Endotoxins / Q000633:toxicity; D005503:Food Additives; D007201:Indicator Dilution Techniques; D007313:Insecta; D007391:International Cooperation; D007814:Larva; D007928:Lethal Dose 50; D008722:Methods
chemical_list: D001428:Bacterial Vaccines; D004731:Endotoxins; D005503:Food Additives