EDITORIALS:

JH Ladenson

Is anyone regulating the regulators?
Clin Chem 1993 39: 375-376. [PDF]  

ARTICLES:

WJ Frajola

Blood alcohol testing in the clinical laboratory: problems and suggested remedies
Clin Chem 1993 39: 377-379. [Abstract] [PDF]  

L Locascio-Brown, AL Plant, R Chesler, M Kroll, M Ruddel, and RA Durst

Liposome-based flow-injection immunoassay for determining theophylline in serum
Clin Chem 1993 39: 386-391. [Abstract] [PDF]  

J Schneede and PM Ueland

Automated assay of methylmalonic acid in serum and urine by derivatization with 1-pyrenyldiazomethane, liquid chromatography, and fluorescence detection
Clin Chem 1993 39: 392-399. [Abstract] [PDF]  

JL Groff, JB Harp, and M DiGirolamo

Simplified enzymatic assay of angiotensin-converting enzyme in serum
Clin Chem 1993 39: 400-404. [Abstract] [PDF]  

MH Kroll and K Emancipator

A theoretical evaluation of linearity
Clin Chem 1993 39: 405-413. [Abstract] [PDF]  

WD Fraser, J Robinson, R Lawton, B Durham, SJ Gallacher, IT Boyle, GH Beastall, and FC Logue

Clinical and laboratory studies of a new immunoradiometric assay of parathyroid hormone-related protein
Clin Chem 1993 39: 414-419. [Abstract] [PDF]  

G Banfi, A Zerbi, S Pastori, D Parolini, V Di Carlo, and P Bonini

Behavior of tumor markers CA19.9, CA195, CAM43, CA242, and TPS in the diagnosis and follow-up of pancreatic cancer
Clin Chem 1993 39: 420-423. [Abstract] [PDF]  

K Linnet

Evaluation of regression procedures for methods comparison studies
Clin Chem 1993 39: 424-432. [PDF]  

JS Sevall, H Prince, G Garratty, WA O'Brien, and JA Zack

Rapid enzymatic analysis for human immunodeficiency virus type 1 DNA in clinical specimens
Clin Chem 1993 39: 433-439. [Abstract] [PDF]  

CA Parvin

New insight into the comparative power of quality-control rules that use control observations within a single analytical run [published erratum appears in Clin Chem 1993 Aug;39(8):1589]
Clin Chem 1993 39: 440-447. [Abstract] [PDF]  

D Nadano, T Yasuda, and K Kishi

Measurement of deoxyribonuclease I activity in human tissues and body fluids by a single radial enzyme-diffusion method
Clin Chem 1993 39: 448-452. [Abstract] [PDF]  

JA Kynaston, SC Fleming, MF Laker, and AD Pearson

Simultaneous quantification of mannitol, 3-O-methyl glucose, and lactulose in urine by HPLC with pulsed electrochemical detection, for use in studies of intestinal permeability
Clin Chem 1993 39: 453-456. [Abstract] [PDF]  

CA Brooks, SM Cramer, and TG Rosano

Preparative chromatographic purification of cyclosporine metabolites
Clin Chem 1993 39: 457-466. [Abstract] [PDF]  

CE Fonzi, JL Clausen, and J Mahoney

Aberrant PO2 values in proficiency testing
Clin Chem 1993 39: 467-471. [Abstract] [PDF]  

AB Pereira, SK Nishida, JG Vieira, MT Lombardi, MS Silva, H Ajzen, and OL Ramos

Monoclonal antibody-based immunoenzymometric assays of retinol-binding protein
Clin Chem 1993 39: 472-476. [Abstract] [PDF]  

JC Vella and E Jover

Relation of lipoprotein(a) in 11- to 19-year-old adolescents to parental cardiovascular heart disease
Clin Chem 1993 39: 477-480. [Abstract] [PDF]  

W Schramm, PA Craig, RH Smith, and GE Berger

Cocaine and benzoylecgonine in saliva, serum, and urine
Clin Chem 1993 39: 481-487. [Abstract] [PDF]  

V Bhayana, S Cohoe, FY Leung, G Jablonsky, and AR Henderson

Diagnostic evaluation of creatine kinase-2 mass and creatine kinase-3 and -2 isoform ratios in early diagnosis of acute myocardial infarction
Clin Chem 1993 39: 488-495. [Abstract] [PDF]  

MA Jandreski and WE Vanderslice

Clinical measurement of serum amiodarone and desethylamiodarone by using solid-phase extraction followed by HPLC with a high-carbon reversed-phase column
Clin Chem 1993 39: 496-500. [Abstract] [PDF]  

R Quiles, JM Fernandez-Romero, E Fernandez, MD Luque de Castro, and M Valcarcel

Automated enzymatic determination of sodium in serum
Clin Chem 1993 39: 500-503. [Abstract] [PDF]  

P Gillery, P Arthuis, C Cuperlier, and R Circaud

Rate nephelometric assay of serum lipoprotein(a)
Clin Chem 1993 39: 503-508. [Abstract] [PDF]  

D Ritter, R Stott, N Grant, and MH Nahm

Endogenous antibodies that interfere with thyroxine fluorescence polarization assay but not with radioimmunoassay or EMIT
Clin Chem 1993 39: 508-511. [Abstract] [PDF]  

A Mosca, A Tagarelli, R Paleari, P Scarpelli, and C Brancati

Rapid determination of erythrocyte pyruvate kinase activity
Clin Chem 1993 39: 512-516. [Abstract] [PDF]  

J Holm, L Hemmingsen, and NV Nielsen

Low-molecular-mass proteinuria as a marker of proximal renal tubular dysfunction in normo- and microalbuminuric non-insulin-dependent diabetic subjects
Clin Chem 1993 39: 517-519. [Abstract] [PDF]  

W Schramm, RH Smith, PA Craig, and HE Grates

Testosterone concentration is increased in whole saliva, but not in ultrafiltrate, after toothbrushing
Clin Chem 1993 39: 519-521. [Abstract] [PDF]  

NE Morrissey, SF Quadri, R Kinders, C Brigham, S Rose, and MJ Blend

Modified method for determining carcinoembryonic antigen in the presence of human anti-murine antibodies [published erratum appears in Clin Chem 1993 Nov;39(11 Pt 1):2343]
Clin Chem 1993 39: 522-529. [Abstract] [PDF]  

BW Hollis, JQ Kamerud, SR Selvaag, JD Lorenz, and JL Napoli

Determination of vitamin D status by radioimmunoassay with an 125I- labeled tracer
Clin Chem 1993 39: 529-533. [Abstract] [PDF]  

O Giampietro, G Penno, A Clerico, L Cruschelli, and M Cecere

How and how long to store urine samples before albumin radioimmunoassay: a practical response
Clin Chem 1993 39: 533-536. [Abstract] [PDF]  

M Petrarulo, E Cerelli, M Marangella, F Maglienti, and F Linari

Ion-chromatographic determination of plasma oxalate reexamined
Clin Chem 1993 39: 537-539. [Abstract] [PDF]  

JS Wei, NC Chung, LL Wei, WF Tzeng, TZ Liu, and JY Wang

High-molecular-mass alkaline phosphatase as a tumor marker for colorectal cancer: comparison of two test methods
Clin Chem 1993 39: 540-543. [Abstract] [PDF]  

M Roden, P Nowotny, U Hollenstein, B Schneider, H Vierhapper, and W Waldhausl

Equivalent discrimination among states of thyroid function by immunochemiluminimetric and immunoradiometric determination of thyrotropin
Clin Chem 1993 39: 544-547. [Abstract] [PDF]  

REVIEWS:

AH van Gennip, S Busch, L Elzinga, AE Stroomer, A van Cruchten, EG Scholten, and NG Abeling

Application of simple chromatographic methods for the diagnosis of defects in pyrimidine degradation
Clin Chem 1993 39: 380-385. [Abstract] [PDF]  

LETTERS TO THE EDITOR:

J Collazos and J Rodriguez

Squamous cell carcinoma antigen in patients with cirrhosis
Clin Chem 1993 39: 548. [PDF]  

T Crane, CM Dawson, and TR Tickner

False-positive results from the Syva EMIT d.a.u. monoclonal amphetamine assay as a result of antipsychotic drug therapy
Clin Chem 1993 39: 549. [PDF]  

T Crane, MN Badminton, CM Dawson, and SJ Rainbow

Mefenamic acid prevents assessment of drug abuse with EMIT assays
Clin Chem 1993 39: 549. [PDF]  

M Hahn, J Serth, R Fislage, H Wolfes, E Allhoff, V Jonas, and A Pingoud

Polymerase chain reaction detection of a highly polymorphic VNTR segment in intron 1 of the human p53 gene
Clin Chem 1993 39: 549-550. [PDF]  

K Togashi, S Fujita, T Kurosawa, N Hasegawa, R Kikawada, and M Kawakami

Circulating forms of B-type natriuretic peptide after acute myocardial infarction
Clin Chem 1993 39: 550-551. [PDF]  

D Meillet, L Belec, E Schuller, and J Delattre

Time-resolved fluoroimmunoassay of beta 2-microglobulin in serum and cerebrospinal fluid
Clin Chem 1993 39: 552-553. [PDF]  

L Borque, C Maside, A Rus, and J del Cura

Addition of sucrose avoids effect of lyophilization on determinations of lipoprotein(a) in serum
Clin Chem 1993 39: 553-554. [PDF]  

WE Winter, J Weber, J Sleater, and RL Bertholf

Relationship of T-uptake and thyroxine in hypo- and hyperthyroid patients
Clin Chem 1993 39: 554. [PDF]  

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