LETTERS TO THE EDITOR:

SB Rosalki and AY Foo

More on transient hyperphosphatasemia of infancy
Clin Chem 1983 29: 723. [PDF]  

A Briddon and G Hunt

Amino acid analysis--poor recovery of basic amino acids
Clin Chem 1983 29: 723-724. [PDF]  

PG Wertz and TL Street

Thioridazine interference in chromatographic and enzyme immunoassays for imipramine in serum
Clin Chem 1983 29: 724-725. [PDF]  

AM Ajami and JB Watkins

Residual gas contaminants in sterilized serological tubes: a problem re- examined
Clin Chem 1983 29: 725-726. [PDF]  

H Itakura, T Murase, and F Takaku

Hepatic triglyceride lipase activity in plasma of patients with fatty liver, after treatment with heparin
Clin Chem 1983 29: 726-727. [PDF]  

CA Robinson, Jr, JW Scott, and C Ketchum

Propylene glycol interference with ethylene glycol procedures
Clin Chem 1983 29: 727. [PDF]  

RO Walker and Z Uddin

Immunoassay data handling with an Apple II + microcomputer system
Clin Chem 1983 29: 727-728. [PDF]  

R Olsson, L Hellner, G Lindstedt, PA Lundberg, and AC Teger-Nilsson

Plasma proteins in patients on long-term antiepileptic treatment
Clin Chem 1983 29: 728-730. [PDF]  

CG Fraser and MD Shephard

Use of existing data on biological variation is advocated
Clin Chem 1983 29: 731-732. [PDF]  

GC Edwards

How much quality control is enough?
Clin Chem 1983 29: 732-733. [PDF]  

L Mori and T Jarvie

Negative ketone interference with creatinine determinations on the KDA
Clin Chem 1983 29: 733-734. [PDF]  

PR Parvy, JI Bardet, and PP Kamoun

EDTA in vacutainer tubes can interfere with plasma amino acid analysis
Clin Chem 1983 29: 735. [PDF]  

RC Causon, MJ Brown, PM Boulous, and D Perret

Analytical differences in measurement of plasma catecholamines
Clin Chem 1983 29: 735-737. [PDF]  

PJ Green, PH Vlasses, SM Frauenhoffer, KM Hennessey, and ML Rocci

Phenytoin can be measured reliably in uremic patients by immunoassay
Clin Chem 1983 29: 737. [PDF]  

L Ljungdahl, W Gerhardt, S Hofvendahl, and J Borjesson

How to make better test evaluations
Clin Chem 1983 29: 738. [PDF]  

B Caballero, NW Solomons, and B Torun

Short-term variability of ferritin concentrations in serum of children with severe protein-energy malnutrition
Clin Chem 1983 29: 739-740. [PDF]  

R Hedrick, J Watson, and JC Cate, 4th

Markedly increased prostatic acid phosphatase as measured in a patient by a monoclonal antibody method
Clin Chem 1983 29: 739. [PDF]  

P Douville, M Masson, and JC Forest

Diagnostic value of sequential readings with the Minolta transcutaneous bilirubinometer in normal and low-birthweight infants
Clin Chem 1983 29: 740-741. [PDF]  

L Goth, H Nemeth, and I Meszaros

Serum catalase activity for detection of hemolytic diseases
Clin Chem 1983 29: 741-743. [PDF]  

JT Wu, T Miya, and JA Knight

One-dimensional chromatography for amino acids on small thin-layer cellulose sheets
Clin Chem 1983 29: 744-745. [PDF]  

P Layer, J Hotz, D Maruhn, and H Goebell

Determination of calcium concentration in pancreatic juice with the Corning 940 calcium titrator
Clin Chem 1983 29: 745. [PDF]  

F Zoppi, A Colombo, G Vanzetti, and M Giachetti

A case of cholesterol gravel in the urinary tract
Clin Chem 1983 29: 745-746. [PDF]  

In Reply: A Case of Cholesterol Gravel in the Urinary Tract
Clin Chem 1983 29: 746. [PDF]  

Articles:

PL Coleman, JF Perry, and JA Wehrly

Optimization of enzyme-based assays in coagulation testing
Clin Chem 1983 29: 603-608. [Abstract] [PDF]  

JF Perry, GE Siefring, Jr, MC Reider, PL Coleman, and JA Wehrly

Development and analytical performance of automated tests for antithrombin III and plasminogen on the Du Pont aca analyzer
Clin Chem 1983 29: 609-613. [Abstract] [PDF]  

GE Siefring, Jr, DK Riabov, and JA Wehrly

Development and analytical performance of a functional assay for fibrinogen on the Du Pont aca analyzer
Clin Chem 1983 29: 614-617. [Abstract] [PDF]  

J Lizana and E Blad

Immunonephelometry of specific proteins in human seminal plasma
Clin Chem 1983 29: 618-623. [Abstract] [PDF]  

ER Korpi, BH Phelps, H Granger, WH Chang, M Linnoila, JL Meek, and RJ Wyatt

Simultaneous determination of haloperidol and its reduced metabolite in serum and plasma by isocratic liquid chromatography with electrochemical detection
Clin Chem 1983 29: 624-628. [Abstract] [PDF]  

BJ Scott and AR Bradwell

Identification of the serum binding proteins for iron, zinc, cadmium, nickel, and calcium
Clin Chem 1983 29: 629-633. [Abstract] [PDF]  

F Schiele, J Henny, J Hitz, C Petitclerc, R Gueguen, and G Siest

Total bone and liver alkaline phosphatases in plasma: biological variations and reference limits
Clin Chem 1983 29: 634-641. [Abstract] [PDF]  

VM Camp, J Chipponi, and BA Faraj

Radioenzymatic assay for direct measurement of plasma pyridoxal 5'- phosphate
Clin Chem 1983 29: 642-644. [Abstract] [PDF]  

MW Sundberg, RW Becker, TW Esders, J Figueras, and CT Goodhue

An enzymic creatinine assay and a direct ammonia assay in coated thin films
Clin Chem 1983 29: 645-649. [Abstract] [PDF]  

A Lohninger, H Salzer, G Simbruner, P Husslein, and G Martin

Relationships among human amniotic fluid dipalmitoyl lecithin, postpartum respiratory compliance, and neonatal respiratory distress syndrome
Clin Chem 1983 29: 650-655. [Abstract] [PDF]  

PN Demacker, DF van Sommeren-Zondag, AF Stalenhoef, PM Stuyt, and A van't Laar

Ultracentrifugation in swinging-bucket and fixed-angle rotors evaluated for isolation and determination of high-density lipoprotein subfractions HDL2 and HDL3
Clin Chem 1983 29: 656-663. [Abstract] [PDF]  

RM Nalbandian, MF Kubicek, WJ O'Brien, B Nichols, RL Henry, GA Williams, AI Goldman, D Adams, and CM Teng

Liquid-chromatographic quantification of piracetam
Clin Chem 1983 29: 664-666. [Abstract] [PDF]  

HR Schroeder and CM Halter

Specificity of human beta-choriogonadotropin assays for the hormone and for an immunoreactive fragment present in urine during normal pregnancy
Clin Chem 1983 29: 667-671. [Abstract] [PDF]  

PM Kabra, PK Bhatnagar, MA Nelson, JH Wall, and LJ Marton

Liquid-chromatographic determination of tobramycin in serum with spectrophotometric detection
Clin Chem 1983 29: 672-674. [Abstract] [PDF]  

H Mabuchi and H Nakahashi

Liquid-chromatographic profiling of endogenous fluorescent substances in sera and urine of uremic and normal subjects
Clin Chem 1983 29: 675-677. [Abstract] [PDF]  

SJ Gaskell and BG Brownsey

Immunoadsorption to improve gas chromatography/high-resolution mass spectrometry of estradiol-17 beta in plasma
Clin Chem 1983 29: 677-680. [Abstract] [PDF]  

MC Revenant

"Sandwich" enzyme immunoassay for serum ferritin with polypropylene test tubes as the solid phase
Clin Chem 1983 29: 681-683. [Abstract] [PDF]  

J Toffaletti, N Blosser, T Hall, S Smith, and D Tompkins

An automated dry-slide enzymatic method evaluated for measurement of creatinine in serum
Clin Chem 1983 29: 684-687. [Abstract] [PDF]  

RW Kineiko, DA Floering, and M Morrissey

Laboratory evaluation of the Boehringer Mannheim "Hitachi 705" automatic analyzer
Clin Chem 1983 29: 688-691. [Abstract] [PDF]  

P Douville and JC Forest

Performance of the Hitachi 705 evaluated
Clin Chem 1983 29: 692-696. [Abstract] [PDF]  

L Melamies

Rapid quantification of C-reactive protein by centrifugal analysis
Clin Chem 1983 29: 696-697. [Abstract] [PDF]  

WH Siede and UB Seiffert

Relative merits of the biliary alkaline phosphatase isoenzyme and lipoprotein-X in diagnosis of cholestasis
Clin Chem 1983 29: 698-700. [PDF]  

JE Buttery, N Ludvigsen, EA Braiotta, and PR Pannall

Determination of urinary oxalate with commercially available oxalate oxidase
Clin Chem 1983 29: 700-702. [Abstract] [PDF]  

P Faguer, NK Man, G Cueille, S Di Giulio, and JL Funck-Brentano

Improved separation and quantification of the "middle molecule" b4-2 in uremia
Clin Chem 1983 29: 703-707. [Abstract] [PDF]  

GL Catignani and JG Bieri

Simultaneous determination of retinol and alpha-tocopherol in serum or plasma by liquid chromatography
Clin Chem 1983 29: 708-712. [PDF]  

JS Krauss, MH Jonah, SJ Yau, and M Trinh

Proportion of glycosylated hemoglobin in erythrocytes of a person with hemoglobins A, S, and G Philadelphia
Clin Chem 1983 29: 713-714. [Abstract] [PDF]  

HJ Cleeve and DC Tua

Studies of the Regan alkaline phosphatase isoenzyme in plasma from a lung-carcinoma patient
Clin Chem 1983 29: 715-717. [Abstract] [PDF]  

A Eriksson, S Lindstedt, L Ransnas, and L von Wendt

Deficiency of glycerol kinase (EC 2.7.1.30)
Clin Chem 1983 29: 718-722. [Abstract] [PDF]  

C Smith, C Arbogast, and R Phillips

Effect of x-ray contrast media on results for relative density of urine
Clin Chem 1983 29: 730-731. [PDF]  

L Molin and B Bergdahl

On standards provided with digoxin radioimmunoassay kits
Clin Chem 1983 29: 734-735. [PDF]  

VA John, JP Monk, and G Dorhofer

Interference of an oxprenolol metabolite with screening tests for 5- hydroxyindole in urine
Clin Chem 1983 29: 743-744. [PDF]  

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