We are trying to establish normal reference ranges for urinary amino acids in healthy dogs consuming dry, canned or commercial raw diets or home - prepared diets. (vetmed.ucdavis.edu)
In recent years, The National Academy of Clinical Biochemists indicated that 95 % of individuals without thyroid disease have TSH concentrations below 2.5 μIU / mL, and a new normal reference range was defined by the American College of Clinical Endocrinologists to be between 0.3 - 3.0 μIU / mL. (thyroidpharmacist.com)
For laboratory tests, toxicity grading was assigned using normal reference ranges based on a similar local pediatric population with the exception of absolute lymphocyte counts, which were based on normal values in Ugandan children [28]. (journals.plos.org)