EDITORIALS:

BS Skikne

Measuring iron-dextran in serum: is it important?
Clin Chem 1990 36: 1711. [PDF]  

ARTICLES:

JO Westgard, RW Burnett, and GN Bowers

Quality management science in clinical chemistry: a dynamic framework for continuous improvement of quality
Clin Chem 1990 36: 1712-1716. [Abstract] [PDF]  

MH Schlageter, ME Toubert, MP Podgorniak, and Y Najean

Radioimmunoassay of erythropoietin: analytical performance and clinical use in hematology
Clin Chem 1990 36: 1731-1735. [Abstract] [PDF]  

SS Ehrmeyer, RH Laessig, JE Leinweber, and JJ Oryall

1990 Medicare/CLIA final rules for proficiency testing: minimum intralaboratory performance characteristics (CV and bias) needed to pass
Clin Chem 1990 36: 1736-1740. [Abstract] [PDF]  

WE Highsmith, Jr, GL Chong, HT Orr, TR Perry, D Schald, R Farber, K Wagner, MR Knowles, WJ Warwick, and LM Silverman

Frequency of the delta Phe508 mutation and correlation with XV.2c/KM-19 haplotypes in an American population of cystic fibrosis patients: results of a collaborative study
Clin Chem 1990 36: 1741-1746. [Abstract] [PDF]  

K Kubotsu, I Ushio, K Yoshikawa, M Kida, K Ishikawa, S Matsuura, and I Sakurabayashi

Colorimetric liposome lysis for assay of anti-streptolysin O antibody
Clin Chem 1990 36: 1747-1749. [Abstract] [PDF]  

SA Margolis, RC Paule, and RG Ziegler

Ascorbic and dehydroascorbic acids measured in plasma preserved with dithiothreitol or metaphosphoric acid
Clin Chem 1990 36: 1750-1755. [Abstract] [PDF]  

TW Prior, WE Highsmith, Jr, KJ Friedman, TR Perry, G Scheuerbrandt, and LM Silverman

A model for molecular screening of newborns: simultaneous detection of Duchenne/Becker muscular dystrophies and cystic fibrosis
Clin Chem 1990 36: 1756-1759. [Abstract] [PDF]  

JO Westgard, JJ Oryall, and DD Koch

Predicting effects of quality-control practices on the cost-effective operation of a stable, multitest analytical system
Clin Chem 1990 36: 1760-1764. [Abstract] [PDF]  

A Groppi, J Begueret, and A Iron

Improved methods for genotype determination of human alcohol dehydrogenase (ADH) at ADH 2 and ADH 3 loci by using polymerase chain reaction-directed mutagenesis
Clin Chem 1990 36: 1765-1768. [Abstract] [PDF]  

CM Worthman, JF Stallings, and LF Hofman

Sensitive salivary estradiol assay for monitoring ovarian function
Clin Chem 1990 36: 1769-1773. [Abstract] [PDF]  

CM Thomas, RJ van den Berg, MF Segers, LM Geelen, JM Hollanders, WH Doesburg, and PC Houx

Time-resolved fluoroimmunoassay for unconjugated estrogen in urine: comparison with a fluorometric assay for total estrogen and application in an in vitro fertilization program
Clin Chem 1990 36: 1774-1778. [Abstract] [PDF]  

PD Siersema, FW de Rooij, A Edixhoven-Bosdijk, and JH Wilson

Erythrocyte porphobilinogen deaminase activity in porphyria cutanea tarda
Clin Chem 1990 36: 1779-1783. [Abstract] [PDF]  

B Gulbis, P Unger, A Lenaers, JM Desment, and HA Ooms

Mass concentration of creatine kinase MB isoenzyme and lactate dehydrogenase isoenzyme 1 in diagnosis of perioperative myocardial infarction after coronary bypass surgery
Clin Chem 1990 36: 1784-1788. [Abstract] [PDF]  

AA Valcour, G Krzymowski, M Onoroski, GN Bowers, Jr, and RB McComb

Proposed reference method for iron in serum used to evaluate two automated iron methods
Clin Chem 1990 36: 1789-1792. [Abstract] [PDF]  

PG Hendrix, MF Hoylaerts, EJ Nouwen, and ME De Broe

Enzyme immunoassay of human placental and germ-cell alkaline phosphatase in serum
Clin Chem 1990 36: 1793-1799. [Abstract] [PDF]  

GO Young, D Ruttenberg, and JP Wright

Measurement of polyethylene glycol 400 in urine by direct-injection high-performance liquid chromatography
Clin Chem 1990 36: 1800-1802. [Abstract] [PDF]  

JC Jacobs and NM Alexander

Colorimetry and constant-potential coulometry determinations of transferrin-bound iron, total iron-binding capacity, and total iron in serum containing iron-dextran, with use of sodium dithionite and alumina columns
Clin Chem 1990 36: 1803-1807. [Abstract] [PDF]  

AM Bode, L Cunningham, and RC Rose

Spontaneous decay of oxidized ascorbic acid (dehydro-L-ascorbic acid) evaluated by high-pressure liquid chromatography
Clin Chem 1990 36: 1807-1809. [Abstract] [PDF]  

JR Pearson and F Carrea

Evaluation of the clinical usefulness of a chemiluminometric method for measuring creatine kinase MB
Clin Chem 1990 36: 1809-1811. [Abstract] [PDF]  

M Vercammen, W Goedhuys, A Boeyckens, R De Roy, J Sennesael, C Sevens, and F Gorus

Iron and total iron-binding capacity in serum of patients receiving iron-dextran: Kodak Ektachem methodologies, spectrophotometry, and atomic-absorption spectrometry compared
Clin Chem 1990 36: 1812-1815. [Abstract] [PDF]  

ML Nowicki and EF Freier

Improved method for identifying alpha 1-antitrypsin Pi M subtypes by isoelectric focusing in agarose
Clin Chem 1990 36: 1815-1819. [Abstract] [PDF]  

TA Onigbinde, AH Wu, M Johnson, YS Wu, WL Collinsworth, and MJ Simmons

Clinical evaluation of an automated chemical inhibition assay for lactate dehydrogenase isoenzyme 1
Clin Chem 1990 36: 1819-1822. [Abstract] [PDF]  

YW Brans, CA Schwartz, RJ Hood, MB Ksebati, and GG Konduri

Deuterium enrichment of plasma determined by nuclear magnetic resonance spectroscopy: dilution kinetics of 2H2O and estimation of total body water
Clin Chem 1990 36: 1823-1825. [Abstract] [PDF]  

S Tas and RR Zein el Din

Automated fructosamine assay with improved accuracy used to quantify nonenzymatic glycation of serum proteins in diabetes mellitus and chronic renal failure
Clin Chem 1990 36: 1825-1830. [Abstract] [PDF]  

P Scott and GA Maguire

A kinetic assay for urea in undiluted urine specimens
Clin Chem 1990 36: 1830-1834. [Abstract] [PDF]  

AE Stroomer, H Overmars, NG Abeling, and AH van Gennip

Simultaneous determination of acidic 3,4-dihydroxyphenylalanine metabolites and 5-hydroxyindole-3-acetic acid in urine by high- performance liquid chromatography
Clin Chem 1990 36: 1834-1837. [Abstract] [PDF]  

S Levine, R Noth, A Loo, IJ Chopra, and GG Klee

Anomalous serum thyroxin measurements with the Abbott TDx procedure
Clin Chem 1990 36: 1838-1840. [Abstract] [PDF]  

AE Jensen, A Reikvam, S Nordgard, KG Pedersen, and A Asberg

Diagnostic accuracy of Kodak creatine kinase MB, Stratus creatine kinase MB, and lactate dehydrogenase isoenzyme 1 in serum after acute myocardial infarction
Clin Chem 1990 36: 1847-1848. [PDF]  

GO Evans and CE Parsons

Effect of heat treatment on plasma aminotransferases
Clin Chem 1990 36: 1848-1849. [PDF]  

GA Crawford, AZ Gyory, ED Gallery, and D Kelly

HPLC of urinary catecholamines in the presence of labetalol, captopril, and alpha-methyldopa
Clin Chem 1990 36: 1849. [PDF]  

J Pre and A Le Floch

Lipid-peroxidation products and antioxidants in plasma of cigarette smokers
Clin Chem 1990 36: 1849-1850. [PDF]  

HH Harrison, KL Miller, and PF Whitington

Improved detection, via ISO-DALT two-dimensional electrophoresis, of "low Z expressor" individuals with alpha 1-antitrypsin MZ phenotype
Clin Chem 1990 36: 1850-1851. [PDF]  

S Tas

Purification of DNA from clotted blood
Clin Chem 1990 36: 1851. [PDF]  

JM Guy and EF Legg

Bilirubin interference in determinations of creatinine with the Hitachi 737 analyzer
Clin Chem 1990 36: 1851-1852. [PDF]  

the clinical chemist
Clin Chem 1990 36: 1864-1866. [PDF]  

REVIEWS:

RA Conyers, R Bais, and AM Rofe

The relation of clinical catastrophes, endogenous oxalate production, and urolithiasis
Clin Chem 1990 36: 1717-1730. [Abstract] [PDF]  

LM Shaw, RW Yatscoff, LD Bowers, DJ Freeman, JR Jeffery, PA Keown, IJ McGilveray, TG Rosano, and PY Wong

Canadian Consensus Meeting on cyclosporine monitoring: report of the consensus panel
Clin Chem 1990 36: 1841-1846. [PDF]  

LETTERS TO THE EDITOR:

E Artner-Dworzak, J Mair, I Seibt, A Koller, C Haid, and B Puschendorf

Cardiac troponin T identifies unspecific increases of CKMB after physical exercise
Clin Chem 1990 36: 1853. [PDF]  

CH Shearing

A specific radioimmunoassay for cyclosporine?
Clin Chem 1990 36: 1853-1855. [PDF]  

SA Chubb, JA Davis, and AT Wood

Comparing the "sensitivity" of thyrotropin assays by using between-run precision profiles
Clin Chem 1990 36: 1855. [PDF]  

MD Stratton, VP Perna, and PA Clapshaw

Zero-bias cholesterol and triglyceride proficiency survey
Clin Chem 1990 36: 1855-1856. [PDF]  

FL Redondo

Skewness and quality-control procedures
Clin Chem 1990 36: 1856-1857. [PDF]  

K Doetsch

Consider lipoprotein(a), not just apolipoprotein B, when determining low-density lipoprotein for lipoprotein profiles
Clin Chem 1990 36: 1857-1858. [PDF]  

EA Sasse, G Madiedo, and W Kopinski

Evaluation of abbott IMx CK-MB immunoassay
Clin Chem 1990 36: 1858-1859. [PDF]  

JG Henrotte and G Franck

Plasma factor(s) inhibiting cell magnesium efflux rapidly determined with a biological assay
Clin Chem 1990 36: 1859-1860. [PDF]  

DF LeGatt and RH Tisdell

Ethylene glycol quantification: avoid propylene glycol as an internal standard
Clin Chem 1990 36: 1860-1861. [PDF]  

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