Article:

William C. Jordan, Vina Spiehler, Robert Haendiges, and Edith Zak Helman

Evaluation of Alternative Counting Methods for Radioimmunoassay of Hepatitis-Associated Antigen (HB Ag)
Clin Chem 1974 20: 733-737. [Abstract] [PDF]  

Torsten Aronsson, Carl-Henric de Verdier, and Torgny Groth

Factors Influencing the Quality of Analytical Methods— A Systems Analysis, with Use of Computer Simulation
Clin Chem 1974 20: 738-748. [Abstract] [PDF]  

Alexander Berlin, Pierre del Castilho, and Jan Smeets

Interlaboratory Evaluation of Proficiency Testing in Urinary -Aminolevulinic Acid Analyses
Clin Chem 1974 20: 749-752. [Abstract] [PDF]  

Harry Roels, Robert Lauwerys, Jean-Pierre Buchet, Alexander Berlin, and Jan Smeets

Comparison of Four Methods for Determination of -Aminolevulinic Acid in Urine, and Evaluation of Critical Factors
Clin Chem 1974 20: 753-760. [Abstract] [PDF]  

Allan L. Louderback, Young Youhne, Anthony Fontana, and Martin Natland

Clinical Evaluation of a Rapid Screening Test for Sickle Cell Trait (S[unknown]) and Sickle Cell Anemia (SS)
Clin Chem 1974 20: 761-764. [Abstract] [PDF]  

T. Buxton and G. G. Guilbault

Fluorometric Analysis for N'-Formylkynurenine in Plasma and Urine
Clin Chem 1974 20: 765-768. [Abstract] [PDF]  

Naomi Quast Hanson and Esther F. Freier

Stability in Urea as a Measure of Cardiac Lactate Dehydrogenase on the Centrifugal Analyzer
Clin Chem 1974 20: 769-774. [Abstract] [PDF]  

Richard D. Krause and John A. Lott

Use of the Simplex Method to Optimize Analytical Conditions in Clinical Chemistry
Clin Chem 1974 20: 775-782. [Abstract] [PDF]  

Jorgen Jacobsen and Richard P. Wennberg

Determination of Unbound Bilirubin in the Serum of Newborns
Clin Chem 1974 20: 783-789. [Abstract] [PDF]  

Samuel Meites, Carlotta Thompson, and Ralph W. Roach

Two Ultramicro-Scale Methods for Plasma Uric Acid Analysis with Uricase
Clin Chem 1974 20: 790-793. [Abstract] [PDF]  

R. W. Burke, B. I. Diamondstone, R. A. Velapoldi, and O. Menis

Mechanisms of the Liebermann-Burchard and Zak Color Reactions for Cholesterol
Clin Chem 1974 20: 794-801. [Abstract] [PDF]  

R. A. Velapoldi, B. I. Diamondstone, and R. W. Burke

Spectral Interpretation and Kinetic Studies of the Fe³⁺-H₂SO₄ (Zak) Procedure for Determination of Cholesterol
Clin Chem 1974 20: 802-811. [Abstract] [PDF]  

George G. Guilbault and Peter M. Froehlich

New Assay for Tryptophan and Its 5-Hydroxyindole Metabolites in Blood
Clin Chem 1974 20: 812-815. [Abstract] [PDF]  

Jae C. Kim, Milos Stastny, and John P. Manning

Use of a "Three-Isoenzyme Diagram" in Assessing Activity of Alkaline Phosphatase Isoenzymes
Clin Chem 1974 20: 816-819. [Abstract] [PDF]  

R. L. Peterson and D. O. Rodgerson

Gas-Chromatographic Determination of Ethylene Glycol in Serum
Clin Chem 1974 20: 820-824. [Abstract] [PDF]  

James O. Westgard, R. Neill Carey, and Svante Wold

Criteria for Judging Precision and Accuracy in Method Development and Evaluation
Clin Chem 1974 20: 825-833. [Abstract] [PDF]  

Scientific Notes:

Tetsuo Uete, Noriko Shimano, and Shuko Shimizu

Refinement and Critical Evaluation of a Fluorometric Method for Measuring Leucine Aminopeptidase Activity in Serum or Tissues
Clin Chem 1974 20: 834-837. [Abstract] [PDF]  

Jack H. Ladenson and J. E. Davis

Discrete Sampling Dilutor Used in Atomic Absorption Spectroscopy, with a Modification Permitting Simultaneous Analysis for Total Calcium and Inorganic Phosphorus
Clin Chem 1974 20: 838-840. [Abstract] [PDF]  

N. M. Papadopoulos

Electrophoretic Demonstration of Three Extra Lactate Dehydrogenase Isoenzymes in the Serum of a "Normal" Individual
Clin Chem 1974 20: 841-842. [Abstract] [PDF]  

AACC 26th National Meeting:

Lecturers and Abstracts
Clin Chem 1974 20: 843-851. [PDF]  

Workshops
Clin Chem 1974 20: 852-854. [PDF]  

Abstracts of Meeting Papers
Clin Chem 1974 20: 855-908. [PDF]  

Letters to the Editor:

D. Watson

Interference with Cholesterol Determination
Clin Chem 1974 20: 914. [PDF]  

Richard Juel and Susan N. Curry

Stability of Gamma Glutamyltransferase in Serum
Clin Chem 1974 20: 914-915. [PDF]  

Robert D. Greenland and I. Arthur Michaelson

Potential Source of Error in Fluorometric Analysis of Dopamine
Clin Chem 1974 20: 915. [PDF]  

Wesley A. Dill and Anthony J. Glazko

Comments on the Determination of Diphenylhydantoin (cont.)
Clin Chem 1974 20: 915-916. [PDF]  

William H. Lederer and Harry L. Gerstbrein

Expressing Results of Enzyme Assays
Clin Chem 1974 20: 916-917. [PDF]  

Lawrence W. Raymond, Roger E. Johnsonbaugh, and Jonas Sode

Boric Acid Interference with Alumina Extraction of Urinary Catecholamines
Clin Chem 1974 20: 917. [PDF]  

Otto E. Lobstein

Reagent for Measurement of Lecithin/Sphingomyelin Ratio
Clin Chem 1974 20: 917. [PDF]  

Robert Bauer

Use of Alkaline Sephadex G-25 for Extraction and Measurement of Serum Thyroxine
Clin Chem 1974 20: 917-918. [PDF]  

Carl S. Strande

Comments on a Method for Protein Determination
Clin Chem 1974 20: 918-919. [PDF]  

Michael A. Pesce

Dr. Pesce was asked to respond, and did so as follows:
Clin Chem 1974 20: 919. [PDF]  

Harold H. Brown, Michael Vanko, and John M. Meola

Interference from Serum Separators in Drug Screening by Gas Chromatography
Clin Chem 1974 20: 919. [PDF]  

A. R. Hansen and L. J. Fischer

Specificity of Analysis for Glutethimide and Its Metabolites
Clin Chem 1974 20: 919-920. [PDF]  

M. Gold, E. Tassoni, M. Etzl, and G. Mathew

Dr. Gold was asked to respond to this Letter, and did so as follows:
Clin Chem 1974 20: 920. [PDF]  

Joseph L. Giegel

Stability of Triglycerides in Serum
Clin Chem 1974 20: 920. [PDF]  

The Clinical Chemist:

J. S. King, Jr.

The Clinical Chemist
Clin Chem 1974 20: 921-929. [PDF]  

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