C A Burtis

A reference method for measurement of alkaline phosphatase activity in human serum.

N W Tietz, C A Burtis, P H Duncan et al. · Clinical Chemistry · 1983 · 318 citations

Life Sciences, Biochemistry, Analytical Chemistry +7

Enzymatic Kinetic Rate and End-Point Analyses of Substrate, by Use of a GeMSAEC Fast Analyzer

T O Tiffany, Jochen Jansen, C A Burtis et al. · Clinical Chemistry · 1972 · 242 citations

Life Sciences, Biochemistry, Enzyme Technology +16

Determination of free, total, and esterified cholesterol by high-performance liquid chromatography

Irma W. Duncan, P H Culbreth, C A Burtis · Journal of Chromatography B Biomedical Sciences and Applications · 1979 · 119 citations

Life Sciences, Biochemistry, Analytical Chemistry +11

A coupled-enzyme equilibrium method for measuring urea in serum: optimization and evaluation of the AACC study group on urea candidate reference method.

Eric J. Sampson, M A Baird, C A Burtis et al. · Clinical Chemistry · 1980 · 100 citations

Life Sciences, Biochemistry, Electroanalytical Methods +12

IFCC Primary Reference Procedures for the Measurement of Catalytic Activity Concentrations of Enzymes at 37°C. Part 7. Certification of Four Reference Materials for the Determination of Enzymatic Activity of γ-Glutamyltransferase, Lactate Dehydrogenase, Alanine Aminotransferase and Creatine Kinase according to IFCC Reference Procedures at 37°C

Lothar Siekmann, R Bonora, C A Burtis et al. · Clinical Chemistry and Laboratory Medicine (CCLM) · 2002 · 54 citations

Life Sciences, Biochemistry, Analytical Chemistry +13