Article:

Wesley G. McTaggart and James L. Dwyer

Improved Method for Densitometry of Electrophoretic Lipoprotein Fractions
Clin Chem 1975 21: 183-185. [Abstract] [PDF]  

Alan Broughton and Doris L. Ross

Drug Screening by Enzymatic Immunoassay with the Centrifugal Analyzer
Clin Chem 1975 21: 186-189. [Abstract] [PDF]  

William V. Dorwart and Leslie Chalmers

Comparison of Methods for Calculating Serum Osmolality from Chemical Concentrations, and the Prognostic Value of Such Calculations
Clin Chem 1975 21: 190-194. [Abstract] [PDF]  

Mogens Blom and Niels Hjørne

Immunochemical Determination of Serum Albumin with a Centrifugal Analyzer
Clin Chem 1975 21: 195-198. [Abstract] [PDF]  

Thomas E. Hewitt and Harry L. Pardue

Kinetic Equations and Error Analysis for the Cholesterol—Sulfuric Acid Reaction
Clin Chem 1975 21: 199-205. [Abstract] [PDF]  

Pui-Yuen Wong, Donald E. Wood, and Thomas Johnson

Routine Radioimmunoassay of Plasma Testosterone, and Results for Various Endocrine Disorders
Clin Chem 1975 21: 206-210. [Abstract] [PDF]  

Michael J. Milano and Harry L. Pardue

Vidicon Spectrometer Applied to Simultaneous Enzyme Determinations
Clin Chem 1975 21: 211-215. [Abstract] [PDF]  

William H. Wong

Determination of Serum Thyroxine after Dissociation from Thyroxine-Binding Globulin in Alkaline Solution and Adsorption on Dextran-Coated Charcoal
Clin Chem 1975 21: 216-220. [Abstract] [PDF]  

Mark R. Montgomery, Jordan L. Holtzman, Richard K. Leute, John S. Dewees, and Gunner Bolz

Determination of Diphenylhydantoin in Human Serum by Spin Immunoassay
Clin Chem 1975 21: 221-226. [Abstract] [PDF]  

Harumi Kuno-Sakai and Hideto Sakai

Effects on Radioimmunoassay of Digoxin of Varying Incubation Periods for Antigen—Antibody Reaction and Varying Periods of Adsorption by Dextran-Coated Charcoal
Clin Chem 1975 21: 227-229. [Abstract] [PDF]  

John E. Sherwin and Samuel Natelson

Serum and Erythrocyte Argininosuccinate Lyase Assay by NADH Fluorescence Generated from Formed Fumarate
Clin Chem 1975 21: 230-234. [Abstract] [PDF]  

Anthony Koller, Jay D. Comess, and Samuel Natelson

Evidence Supporting a Proposed Mechanism Explaining the Inverse Relationship between Guanidinoacetate and Guanidinosuccinate in Human Urine
Clin Chem 1975 21: 235-242. [Abstract] [PDF]  

Jerry C. Daniels, Theona M. Vyvial, William C. Levin, and Stephan E. Ritzmann

Methodologic Differences in Values for M-Proteins in Serum, as Measured by Three Techniques
Clin Chem 1975 21: 243-248. [Abstract] [PDF]  

Thomas E. Hewitt and Harry L. Pardue

Theory of Photometric Errors Applied to the Design and Evaluation of a High-Performance Filter Photometer
Clin Chem 1975 21: 249-254. [Abstract] [PDF]  

Scientific Notes:

Jack H. Ladenson and C. Elliott Bell, Jr.

pH Measurement Problems Affecting Assay of Carcinoembryonic Antigen
Clin Chem 1975 21: 255-257. [Abstract] [PDF]  

Micheline M. Mathews-Roth

Presence of Carotenoids in the Erythrocyte Membranes of Carotenemic and Noncarotenemic Individuals
Clin Chem 1975 21: 258-259. [Abstract] [PDF]  

Valyacheri R. Mallikarjuneswara

Lecithin—Sphingomyelin Ratio in Amniotic Fluid, as Assessed by a Modified Thin-Layer Chromatographic Method in Which a Commercial Pre-Coated Plate Is Used
Clin Chem 1975 21: 260-263. [Abstract] [PDF]  

Earl B. Weissman, Desider A. Pragay, and Charles Bishop

Evaluation of the Corning 940 Calcium Titrator for Use with Serum and Urine
Clin Chem 1975 21: 264-267. [Abstract] [PDF]  

Letters to the Editor:

Rudolph G. Mueller, Karen Neville, Diane D. Emerson, and Gordon E. Lang

Depressed Apparent Creatine Kinase Activity in Sera with Abnormally High Alkaline Phosphatase Activity
Clin Chem 1975 21: 268-269. [PDF]  

Roger P. Smith

Standardization of Methemoglobin Analyses with Nitrite
Clin Chem 1975 21: 269-270. [PDF]  

William A. Groff, Sr.

The senior author was invited to respond, and did so as follows:
Clin Chem 1975 21: 270. [PDF]  

G. S. Ahluwalia and Z. J. Kuczala

Evaluation of an Iodine-125 Digoxin Radioimmunoassay Kit
Clin Chem 1975 21: 270-271. [PDF]  

Leo G. Morin

Expressing Enzyme Results
Clin Chem 1975 21: 271. [PDF]  

Raymond E. Vanderlinde

This Letter was referred to the chairman of the AACC's Subcommittee on Enzymes, who offers the following reply:
Clin Chem 1975 21: 271-272. [PDF]  

Robert S. Galen and S. Raymond Gambino

What Upper Limit of Creatine Kinase Activity Defines Disease?
Clin Chem 1975 21: 272. [PDF]  

Book, Software, and Web Site Reviews:

Hanns-Dieter Gruemer

Optimierung der Diagnostik. H. Lang, W. Rick, and L. Roka, Eds. Springer-Verlag, 1 Berlin 33, Germany, 1973, xv + 275 pp. $11.50
Clin Chem 1975 21: 273. [PDF]  

Sylvan M. Sax

Clinical Chemistry—Principles and Technics, 2nd ed. R. J. Henry, J. W. Winkelman, and D. C. Cannon, Eds. Harper & Row, Publishers, New York, N. Y., 1974, xii + 1629 pp. 267 illustrations. $37.50
Clin Chem 1975 21: 273-274. [PDF]  

Ruth D. McNair

Biochemistry of Women: Clinical Concepts. A. S. Curry and J. V. Hewitt, Eds. CRC Press, Cleveland, Ohio 44128, 1974, 179 pp. $35.00
Clin Chem 1975 21: 274. [PDF]  

Ruth D. McNair

Biochemistry of Women: Methods for Clinical Investigation. A. S. Curry and J. V. Hewitt, Eds. CRC Press, Cleveland, Ohio 44128, 1974, 354 pp
Clin Chem 1975 21: 274. [PDF]  

Paul B Hamilton

Analytical Ion-Exchange Procedures in Chemistry and Biology— Theory, Equipment, Techniques. J. X. Khym. Prentice-Hall Inc., Englewood Cliffs, N. J., 1974, xii + 257 pp. Paperback. $14.50
Clin Chem 1975 21: 274-275. [PDF]  

Books Received
Clin Chem 1975 21: 275. [PDF]  

The Clinical Chemist:

J. S. King

The Clinical Chemist
Clin Chem 1975 21: 276-277. [PDF]  

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