“…14,25,37,45,51 Although not frequent elements of veterinary analytical validation studies, incorporation of these methods has been recommended, 23,32 and they feature in several publications assessing the performance of veterinary biochemistry analyzers. 13,27 Among the immunoassay analyzers available for use in human patients is the AIA-900 (Tosoh Bioscience, Tokyo, Japan), which can measure a variety of analytes, 7,53 including serum cobalamin and folate. Three human Tosoh assays, namely thyroxine (T4), cortisol, and adrenocorticotropic hormone (ACTH), have been validated and are available for use in dogs, cats, and horses.…”