Delineating the difference between "normal" and "reference range."
Untitled Document
“Reference ranges are established by testing a group of apparently healthy normal animals. But even if a value falls within the reference range, it may not be normal for that animal if the animal is ill.”
-Anthony P. Carr, Dr. med. vet., DACVIM
From Practical Matters: "Normal" and "reference range" are not the same