title: Accuracy: a potential quandary in regulated bioanalysis of 'endogenous' analytes.
authors.affiliation: PPD Laboratories, 2244 Dabney Road, Richmond, VA 23230, USA.
authors.forename: Rand G
authors.initials: RG
authors.lastname: Jenkins
mesh_terms: D000345:Affinity Labels; D015415:Biomarkers / Q000032:analysis*; D002851:Chromatography, High Pressure Liquid / Q000592:standards; D006801:Humans; D007553:Isotope Labeling; D011786:Quality Control; D053719:Tandem Mass Spectrometry / Q000592:standards
chemical_list: D000345:Affinity Labels; D015415:Biomarkers
keywords: accuracy; biomarkers; endogenous compounds; parallelism; regulated bioanalysis; standard addition