ARTICLES:

R Bouillon, E Van Herck, I Jans, BK Tan, H Van Baelen, and P De Moor

Two direct (nonchromatographic) assays for 25-hydroxyvitamin D
Clin Chem 1984 30: 1731-1736. [Abstract] [PDF]  

GC Moses and AR Henderson

Biological variance of total lactate dehydrogenase and its isoenzymes in human serum
Clin Chem 1984 30: 1737-1741. [Abstract] [PDF]  

TJ Wilke

Study of a mechanism responsible for anomalous results for free thyroxin by some analog assays for subjects with albumin deficiency
Clin Chem 1984 30: 1742-1745. [Abstract] [PDF]  

G Ellis, EP Diamandis, EE Giesbrecht, D Daneman, and LC Allen

An automated "high-pressure" liquid-chromatographic assay for hemoglobin A1c
Clin Chem 1984 30: 1746-1752. [Abstract] [PDF]  

P Kaspar, G Moller, and A Wahlefeld

New photometric assay for chymotrypsin in stool
Clin Chem 1984 30: 1753-1757. [Abstract] [PDF]  

P Winkel

Operational research and cost containment: a general mathematical model of a workstation
Clin Chem 1984 30: 1758-1764. [Abstract] [PDF]  

DL Colbert, DS Smith, J Landon, and AM Sidki

Single-reagent polarization fluoroimmunoassay for barbiturates in urine
Clin Chem 1984 30: 1765-1769. [Abstract] [PDF]  

N Shannon and PD Woolf

Determination of free thyroxin in serum by ultrafiltration: validation of a method and preliminary results
Clin Chem 1984 30: 1770-1773. [Abstract] [PDF]  

GL Lensmeyer and MA Evenson

Stabilized analysis of antidepressant drugs by solvent-recycled liquid chromatography: procedure and proposed resolution mechanisms for chromatography
Clin Chem 1984 30: 1774-1779. [Abstract] [PDF]  

L Bartalits, G Nagy, and E Pungor

Determination of enzyme activity in biological fluids by means of electrochemical oxidation of NADH at a modified glassy carbon electrode
Clin Chem 1984 30: 1780-1783. [Abstract] [PDF]  

JC Gibson, A Rubinstein, and WV Brown

Precipitation of apo E-containing lipoproteins by precipitation reagents for apolipoprotein B
Clin Chem 1984 30: 1784-1788. [Abstract] [PDF]  

BG Charles and PJ Ravenscroft

Measurement of gliclazide in plasma by radial compression reversed- phase liquid chromatography
Clin Chem 1984 30: 1789-1791. [Abstract] [PDF]  

N Perakis and CM Wolff

Kinetic approach for the enzymic determination of creatinine
Clin Chem 1984 30: 1792-1796. [Abstract] [PDF]  

PN Demacker, AG Hijmans, BJ Brenninkmeijer, AP Jansen, and A van 't Laar

Five methods for determining low-density lipoprotein cholesterol compared
Clin Chem 1984 30: 1797-1800. [Abstract] [PDF]  

RJ Liedtke and G Kroon

Automated calmagite compleximetric measurement of magnesium in serum, with sequential addition of EDTA to eliminate endogenous interference
Clin Chem 1984 30: 1801-1804. [Abstract] [PDF]  

WL Chandler, KJ Clayson, WT Longstreth, Jr, and JS Fine

Creatine kinase isoenzymes in human cerebrospinal fluid and brain
Clin Chem 1984 30: 1804-1806. [Abstract] [PDF]  

G Lum

Unreliability of immunochemical determination of lactate dehydrogenase isoenzyme-1 in heparinized plasma
Clin Chem 1984 30: 1807-1808. [Abstract] [PDF]  

CC Leflar, JW Freytag, LM Powell, JC Strahan, JJ Wadsley, CA Tyler, and WK Miller

An automated, affinity-column-mediated, enzyme-linked immunometric assay for digoxin on the Du Pont aca discrete clinical analyzer
Clin Chem 1984 30: 1809-1811. [Abstract] [PDF]  

RW Yatscoff, DN Rush, and JR Jeffery

Effects of sample preparation on concentrations of cyclosporin A measured in plasma
Clin Chem 1984 30: 1812-1814. [Abstract] [PDF]  

NM Papadopoulos, R Costello, AD Kay, NR Cutler, and SI Rapoport

Combined immunochemical and electrophoretic determinations of proteins in paired serum and cerebrospinal fluid samples
Clin Chem 1984 30: 1814-1816. [Abstract] [PDF]  

S Kato, H Ishii, S Kano, S Hagihara, T Todoroki, S Nagata, H Takahashi, M Nagasaka, J Sato, and M Tsuchiya

Improved assay for alcohol dehydrogenase activity in serum by centrifugal analysis
Clin Chem 1984 30: 1817-1820. [Abstract] [PDF]  

JH Eckfeldt, MJ Kershaw, and LA Lewis

Automated kinetic assay for lactate dehydrogenase isoenzyme 1 by centrifugal analysis after alkaline inactivation
Clin Chem 1984 30: 1821-1824. [Abstract] [PDF]  

JM Izquierdo, A Quiros, J Alvarez-Uria, and P Sotorrio

Homogeneous enzyme immunoassay for cortisol with a centrifugal analyzer
Clin Chem 1984 30: 1824-1826. [Abstract] [PDF]  

WH Porter, VM Haver, and BA Bush

Effect of protein concentration on the determination of digoxin in serum by fluorescence polarization immunoassay
Clin Chem 1984 30: 1826-1829. [Abstract] [PDF]  

JW Janssen, MC Verdegaal, and RW Visser

Performance of the ASTRA enzyme systems evaluated
Clin Chem 1984 30: 1830-1833. [Abstract] [PDF]  

EM Pitkanen, T Palosuo, K Aho, T Putus-Tikkanen, and R von Essen

Nephelometry of acute-phase glycoproteins by binding to concanavalin A
Clin Chem 1984 30: 1834-1835. [Abstract] [PDF]  

UB Ericsson and I Larsson

Interference of endogenous lactoperoxidase antibodies in a solid-phase immunosorbent radioassay for antibodies to protein hormones
Clin Chem 1984 30: 1836-1838. [Abstract] [PDF]  

JL Rosado, L Torres, and NW Solomons

Chromatograph with external column evaluated for determining breath hydrogen in clinical studies
Clin Chem 1984 30: 1838-1842. [Abstract] [PDF]  

N Fogh-Andersen and O Siggaard-Andersen

Acid-base-induced changes in the distribution of water between plasma and erythrocytes, as measured with a sodium-ion-selective electrode
Clin Chem 1984 30: 1843-1845. [Abstract] [PDF]  

K Levin and I Engstrom

Inadequate hemolysis of erythrocytes on reagent strips at low pH causes false-negative readings
Clin Chem 1984 30: 1845-1847. [Abstract] [PDF]  

DJ MacDonald, HC Mehta, DS Mack, T Duffy, and AC Glen

Enzyme immunoassay for pregnancy-associated plasma protein-A
Clin Chem 1984 30: 1848-1850. [Abstract] [PDF]  

T Delahunty

A new technique for studying the relationship between maternal diabetes and the sialic acid content of fetal pulmonary surfactant
Clin Chem 1984 30: 1851-1853. [Abstract] [PDF]  

EA Pierson, BL Therrell, Jr, SF Franz, AJ Rudenstein, and PE Dziuk

An evaluation of kits for measuring thyrotropin in newborns
Clin Chem 1984 30: 1854-1856. [Abstract] [PDF]  

RE Mullins, RL Miller, RL Hunter, and B Bennett

Standardized automated assay for functional alpha 1-antitrypsin
Clin Chem 1984 30: 1857-1860. [Abstract] [PDF]  

LB Abbott and JA Lott

Reactivation of serum creatine kinase isoenzyme BB in patients with malignancies
Clin Chem 1984 30: 1861-1863. [Abstract] [PDF]  

P Kaspar and U Neumann

The distribution of chymotrypsin within the feces and description of a new device for the preparation of stool samples
Clin Chem 1984 30: 1864-1866. [Abstract] [PDF]  

PL Cary, PD Whitter, and CA Johnson

Abbott radiative energy attenuation method for quantifying ethanol evaluated and compared with gas-liquid chromatography and the Du Pont aca
Clin Chem 1984 30: 1867-1870. [Abstract] [PDF]  

KE Opheim, MR Glick, CN Ou, KW Ryder, LC Hood, V Ainardi, LA Collymore, W DeArmas, VL Frawley, and J Hutchinson

Particle-enhanced turbidimetric inhibition immunoassay for theophylline evaluated with the Du Pont aca
Clin Chem 1984 30: 1870-1874. [Abstract] [PDF]  

FL Kiechle, MA Kamela, and RW Starnes

Lactate production by aerobic bacteria grown in cerebrospinal fluid
Clin Chem 1984 30: 1875-1876. [Abstract] [PDF]  

Thomas R. Koch

Atomic Absorption Spectrometry in Occupational and Environmental Health Practice. Vol. I: Analytical Aspects and Health Significance. Vol. II. Determination of Individual Elements. D. L. Tsalev and Z. K. Zaprianov, CRC Press, Inc., Boca Raton, FL 33431. Vol. I. 1983, 264 pp, $78.00. ISBN 0-8493-5603-2. Vol. II. 1984, 312 pp, $78.00. ISBN 0-8493-5604-0
Clin Chem 1984 30: 1894. [PDF]  

LETTERS TO THE EDITOR:

HG Giles, S Meggiorini, and LD Colebrook

Condensation of isoniazid and acetaldehyde
Clin Chem 1984 30: 1877-1878. [PDF]  

M Stahl

Improved dye-binding procedure for determining microgram quantities of protein in cerebrospinal fluid--once again
Clin Chem 1984 30: 1878. [PDF]  

K Jung and M Pergande

Affinity chromatography of urinary brush-border enzymes on concanavalin- Sepharose
Clin Chem 1984 30: 1878-1879. [PDF]  

G Lindstedt, L Weijkum, PA Lundberg, and K Albertsson-Wikland

Serum procollagen-III as indicator of therapeutic effect in children treated for somatotropin deficiency
Clin Chem 1984 30: 1879-1880. [PDF]  

C Decoster and G Vassart

Pitfall in the use of commercial kits for evaluating pregnancy-specific beta 1-glycoprotein (SP1)
Clin Chem 1984 30: 1881. [PDF]  

DE Bruns, J Savory, and MR Wills

More on "flipped" lactate dehydrogenase patterns in myocardial infarction
Clin Chem 1984 30: 1881-1882. [PDF]  

K Outch, R MacLean, A Mirovics, and P Dennis

Activated polyamide tubes for radioimmunoassay
Clin Chem 1984 30: 1882. [PDF]  

LW Hayes and JR Swanson

Ammonia results increased by bacteria in aca needle tubing
Clin Chem 1984 30: 1882-1883. [PDF]  

AP van Zanten and KA Verbeek

Pyruvate interference in RA 1000 single-reagent AST method
Clin Chem 1984 30: 1883. [PDF]  

S Gerard and H Khayam-Bashi

Negative interference with the Ektachem (Kodak) enzymic assay for creatinine by high serum glucose
Clin Chem 1984 30: 1884. [PDF]  

In acetaminophen assay, only unconjugated drug should be measured
Clin Chem 1984 30: 1884-1885. [PDF]  

D Kaufman and GH Wobig

Colorimetric calibration of multichannel pipettes
Clin Chem 1984 30: 1885-1886. [PDF]  

GA Maguire

Bichromatic blanking in the bromcresol purple method for albumin in serum and plasma
Clin Chem 1984 30: 1886-1887. [PDF]  

MJ Staley, D Naidoo, and SA Pridmore

Concentrations of transthyretin (prealbumin) and retinol-binding protein in alcoholics during alcohol withdrawal
Clin Chem 1984 30: 1887. [PDF]  

T Okuda, J Ito, and M Nishida

"Interferovalue" indicates the interference of substances with creatinine determination
Clin Chem 1984 30: 1888-1889. [PDF]  

T Tsuneyoshi, A Kawamoto, and J Koezuka

Optimizing a liquid chromatographic mobile phase for simultaneous analysis of eight antiepileptic drugs
Clin Chem 1984 30: 1889-1890. [PDF]  

KJ Helsing, GW Comstock, HL Lau, and S Linkins

Changes in alpha-fetoprotein concentrations during storage at -73 degrees C
Clin Chem 1984 30: 1890. [PDF]  

LV de Silva

Enzyme activities and hypothyroidism
Clin Chem 1984 30: 1890-1891. [PDF]  

AH Chalmers and DM Cowley

Urinary oxalate by rate analysis compared with gas-chromatographic and centrifugal analyzer methods
Clin Chem 1984 30: 1891-1892. [PDF]  

JW Koenig

Astra creatinine reagent stable
Clin Chem 1984 30: 1892. [PDF]  

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