title: Reference intervals: an essential, expanding, and occasionally equivocal standard.
authors.forename: Kristen R
authors.initials: KR
authors.lastname: Friedrichs
mesh_terms: D000818:Animals; D019411:Clinical Laboratory Techniques / Q000592:standards / Q000662:veterinary; D010341:Pathology, Veterinary / Q000592:standards*; D012015:Reference Standards