Or, at least, it was
All participants provided verbal consent which was recorded on computers by trained interviewers

Ingredients: Chicken Recipe: INGREDIENTS: Chicken, Chicken Broth, Chicken Liver, Water, Dried Pork Broth, Guar Gum, Potassium Chloride, Fish Oil, Choline Chloride, Sodium Acid Pyrophosphate, Tetrasodium Pyrophosphate, Tapioca Starch, Taurine, Salt, Magnesium Sulfate, Sodium Hexametaphosphate, Thiamine Mononitrate, Vitamin E Supplement, Zinc Sulfate, Ferrous Sulfate, Vitamin D3 Supplement, Manganese Sulfate, Copper Sulfate, Pyridoxine Hydrochloride, Potassium Iodide, Folic Acid, Menadione Sodium Bisulfite ComplexSalmon & Tuna Recipe: INGREDIENTS: Salmon, Chicken, Chicken Broth, Chicken Liver, Tuna, Water, Dried Pork Broth, Guar Gum, Potassium Chloride, Calcium Carbonate, Fish Oil, Carrageenan, Sodium Acid Pyrophosphate, Magnesium Sulfate, Tetrasodium Pyrophosphate, Tapioca Starch, Choline Chloride, Taurine, Salt, Sodium Hexametaphosphate, Thiamine Mononitrate, Vitamin E Supplement, Zinc Sulfate, Ferrous Sulfate, Vitamin D3 Supplement, Manganese Sulfate, Copper Sulfate, Pyridoxine Hydrochloride, Potassium Iodide, Folic Acid, Menadione Sodium Bisulfite ComplexChicken & Liver Recipe: INGREDIENTS: Chicken, Chicken Liver, Chicken Broth, Water, Dried Pork Broth, Guar Gum, Potassium Chloride, Fish Oil, Choline Chloride, Sodium Acid Pyrophosphate, Tetrasodium Pyrophosphate, Tapioca Starch, Taurine, Salt, Magnesium Sulfate, Sodium Hexametaphosphate, Thiamine Mononitrate, Vitamin E Supplement, Zinc Sulfate, Ferrous Sulfate,Vitamin D3 Supplement, Manganese Sulfate, Copper Sulfate, Pyridoxine Hydrochloride, Potassium Iodide, Folic Acid, Menadione Sodium Bisulfite Complex Guaranteed Analysis: Chicken Recipe: GUARANTEED ANALYSIS: Crude Protein (min.) 11.5%

The CAMEL had an aroma before it burned, an aroma as it burned, and a flavor that distinguished it apart from all other cigarettes
The multi-stage sampling features were accounted for with survey procedures in SAS