Editorials:

Rodger A. Liddle

On the Measurement of Cholecystokinin
Clin Chem 1998 44: 903-904. [Extract] [Full Text] [PDF]  

Sidney B. Rosalki

Low Serum Creatine Kinase Activity
Clin Chem 1998 44: 905. [Extract] [Full Text] [PDF]  

Molecular Diagnostics and Genetics:

Cecilia Gelfi, Marilena Perego, Pier Giorgio Righetti, Silvia Cainarca, Stefania Firpo, Maurizio Ferrari, and Laura Cremonesi

Rapid capillary zone electrophoresis in isoelectric histidine buffer: high resolution of the poly-T tract allelic variants in intron 8 of the CFTR gene
Clin Chem 1998 44: 906-913. [Abstract] [Full Text] [PDF]  

Linda S. W. Steijns and Jan Van Der Weide

Ultrarapid drug metabolism: PCR-based detection of CYP2D6 gene duplication
Clin Chem 1998 44: 914-917. [Abstract] [Full Text] [PDF]  

David Whitcombe, Jannine Brownie, Helen L. Gillard, Doug McKechnie, Jane Theaker, Clive R. Newton, and Stephen Little

A homogeneous fluorescence assay for PCR amplicons: its application to real-time, single-tube genotyping
Clin Chem 1998 44: 918-923. [Abstract] [Full Text] [PDF]  

Enzymes and Protein Markers:

M-Cruz Pastor, Cristina Sierra, María Doladé, Elisabet Navarro, Nuria Brandi, Eduard Cabré, Aurea Mira, and Agustí Serés

Antioxidant enzymes and fatty acid status in erythrocytes of Down syndrome patients
Clin Chem 1998 44: 924-929. [Abstract] [Full Text] [PDF]  

Christlieb Haller, Jörg Zehelein, Andrew Remppis, Margit Müller-Bardorff, and Hugo A. Katus

Cardiac troponin T in patients with end-stage renal disease: absence of expression in truncal skeletal muscle
Clin Chem 1998 44: 930-938. [Abstract] [Full Text] [PDF]  

Johan J. Gunst, Michel R. Langlois, Joris R. Delanghe, Marc L. De Buyzere, and Geert G. Leroux-Roels

Serum creatine kinase activity is not a reliable marker for muscle damage in conditions associated with low extracellular glutathione concentration
Clin Chem 1998 44: 939-943. [Abstract] [Full Text] [PDF]  

Xavier Bossuyt, Ann Bogaerts, Gilberte Schiettekatte, and Norbert Blanckaert

Serum protein electrophoresis and immunofixation by a semiautomated electrophoresis system
Clin Chem 1998 44: 944-949. [Abstract] [Full Text] [PDF]  

Demetrius Ellis, Kimberly Y-Z Forrest, John Erbey, and Trevor J. Orchard

Urinary measurement of transforming growth factor-ß and type IV collagen as new markers of renal injury: application in diabetic nephropathy
Clin Chem 1998 44: 950-956. [Abstract] [Full Text] [PDF]  

Lipids and Lipoproteins:

Monique Vincent-Viry, Françoise Schiele, René Gueguen, Karin Bohnet, Sophie Visvikis, and Gérard Siest

Biological variations and genetic reference values for apolipoprotein E serum concentrations: results from the STANISLAS cohort study
Clin Chem 1998 44: 957-965. [Abstract] [Full Text] [PDF]  

Bent Raungaard, Finn Heath, Jens Uffe Brorholt-Petersen, Henrik Kjærulf Jensen, and Ole Faergeman

Flow cytometry with a monoclonal antibody to the low density lipoprotein receptor compared with gene mutation detection in diagnosis of heterozygous familial hypercholesterolemia
Clin Chem 1998 44: 966-972. [Abstract] [Full Text] [PDF]  

Drug Monitoring and Toxicology:

Bruno Le Bizec, Marie-Pierre Montrade, Fabrice Monteau, Isabelle Gaudin, and François Andre

4-Chlorotestosterone acetate metabolites in cattle after intramuscular and oral administrations
Clin Chem 1998 44: 973-984. [Abstract] [Full Text] [PDF]  

Sarah Kerrigan and Donald. E. Brooks

Indirect enzyme-linked immunosorbent assay for the quantitative estimation of lysergic acid diethylamide in urine
Clin Chem 1998 44: 985-990. [Abstract] [Full Text] [PDF]  

Endocrinology and Metabolism:

Jens F. Rehfeld

Accurate measurement of cholecystokinin in plasma
Clin Chem 1998 44: 991-1001. [Abstract] [Full Text] [PDF]  

Heather P. Stevenson, G. Pooler, R. Archbold, Paul Johnston, Ian S. Young, and Brian Sheridan

Misleading serum free thyroxine results during low molecular weight heparin treatment
Clin Chem 1998 44: 1002-1007. [Abstract] [Full Text] [PDF]  

Yoshito Numata, Keiji Dohi, Ayako Furukawa, Shino Kikuoka, Hidehisa Asada, Takahiro Fukunaga, Yasushi Taniguchi, Kazuyuki Sasakura, Tetsuo Tsuji, Ken Inouye, Michihiro Yoshimura, Hiroshi Itoh, Masashi Mukoyama, Hirofumi Yasue, and Kazuwa Nakao

Immunoradiometric assay for the N-terminal fragment of proatrial natriuretic peptidein human plasma
Clin Chem 1998 44: 1008-1013. [Abstract] [Full Text] [PDF]  

Laboratory Management:

Aljoscha Neubauer, Christian Wolter, Christine Falkner, and Dieter Neumeier

Optimizing frequency and number of controls for automatic multichannel analyzers
Clin Chem 1998 44: 1014-1023. [Abstract] [Full Text] [PDF]  

Kristian Linnet

Performance of Deming regression analysis in case of misspecified analytical error ratio in method comparison studies
Clin Chem 1998 44: 1024-1031. [Abstract] [Full Text] [PDF]  

Marianne Andersen, Per Hyltoft Petersen, Ole Blaabjerg, Jørgen Hangaard, and Claus Hagen

Evaluation of growth hormone assays using ratio plots
Clin Chem 1998 44: 1032-1038. [Abstract] [Full Text] [PDF]  

Technical Briefs:

Mark R. Lichtenwalner, Thomas Mencken, Robert Tully, and Maria Petosa

False-Positive Immunochemical Screen for Methadone Attributable to Metabolites of Verapamil
Clin Chem 1998 44: 1039-1041. [Extract] [Full Text] [PDF]  

Catherine Costa, Jean Marc Costa, Jean-François Deleuze, Alain Legrand, Michelle Hadchouel, and Christiane Baussan

Simple, Rapid Nonradioactive Method to Detect the Three Most Prevalent Hereditary Fructose Intolerance Mutations
Clin Chem 1998 44: 1041-1043. [Extract] [Full Text] [PDF]  

Giampiero Diani, Giuseppe Poma, Francesco Novazzi, Sonia Zanirato, Camillo Porta, Mauro Moroni, Gian Vico Melzi d'Eril, and Remigio Moratti

Increased Serum Lipase with Associated Normoamylasemia in Cancer Patients
Clin Chem 1998 44: 1043-1045. [Extract] [Full Text] [PDF]  

Geneviève Van Amerongen, Florence Mathonnet, Catherine Boucly, Bertille Mathieu, Isabelle Vinatier, Jean-Yves Peltier, Nicole Catherine, Catherine Collet, and Philippe de Mazancourt

An improved method for the detection of the thermolabile variant of methylenetetrahydrofolate reductase
Clin Chem 1998 44: 1045-1047. [Extract] [Full Text] [PDF]  

R. Couderc, K. Peoc'h, K. Valenti, M-E. Diop, S. Bailleul, L. Kiénou, F. Ferrière, and J. Etienne

A Simple Electrophoretic Method for Phenotyping Apo(a): Phenotype Frequency in Healthy Subjects from Paris, France
Clin Chem 1998 44: 1047-1050. [Extract] [Full Text] [PDF]  

Maun-Jan Lin, Carolyn Hoke, and Bruce Ettinger

Evaluation of Homogeneous High-Density Lipoprotein Cholesterol Assay on a BM/Hitachi 747–200 Analyzer
Clin Chem 1998 44: 1050-1052. [Extract] [Full Text] [PDF]  

Chih-Kuang Chuang, Shuan-Pei Lin, Yu-Ting Lin, and Fu-Yuan Huang

Effects of Anticoagulants in Amino Acid Analysis: Comparisons of Heparin, EDTA, and Sodium Citrate in Vacutainer Tubes for Plasma Preparation
Clin Chem 1998 44: 1052-1056. [Extract] [Full Text] [PDF]  

Martin Wiesmann, Ulrich Missler, Daniela Gottmann, and Svante Gehring

Plasma S-100b Protein Concentration in Healthy Adults Is Age- and Sex-Independent
Clin Chem 1998 44: 1056-1058. [Extract] [Full Text] [PDF]  

Diego Gazzolo, Paola Vinesi, Maria Concetta Geloso, Carlo Marcelletti, Fiore S. Iorio, Adriano Cipriani, Stefano M. Marianeschi, and Fabrizio Michetti

S100 Blood Concentrations in Children Subjected to Cardiopulmonary By-Pass
Clin Chem 1998 44: 1058-1060. [Extract] [Full Text] [PDF]  

Klaus Jung, Christian Laube, Michael Lein, Ralf Lichtinghagen, Harald Tschesche, Dietmar Schnorr, and Stefan A. Loening

Kind of Sample as Preanalytical Determinant of Matrix Metalloproteinases 2 and 9 and Tissue Inhibitor of Metalloproteinase 2 in Blood
Clin Chem 1998 44: 1060-1062. [Extract] [Full Text] [PDF]  

Letters to the Editor:

Samuel P. Caudill, S. Jay Smith, Gerald R. Cooper, Gary L. Myers, James O. Westgard, and Donald A. Wiebe

Adequacy of NCEP Recommendations for Total Cholesterol, Triglycerides, HDLC, and LDLC Measurements • Two of the authors of the above- mentioned article reply:
Clin Chem 1998 44: 1063-1066. [Extract] [Full Text] [PDF]  

Dietmar Stöckl, Mario Plebani, and Paolo Carraro

Modern Quality Management Misunderstood? • The authors of one of the articles referred to above reply:
Clin Chem 1998 44: 1066-1067. [Extract] [Full Text] [PDF]  

Roger Johnson, Jan-Olof Jeppsson, Uwe Kobold, Wieland Hoelzel, Andreas Finke, and Kor Miedema

Standardization of Hemoglobin A1c • The authors of the reference cited above respond:
Clin Chem 1998 44: 1068-1069. [Extract] [Full Text] [PDF]  

Torsten Arndt, Rolf Hackler, and Pamela Bean

Evaluation of Carbohydrate-deficient Transferrin • Dr. Bean responds:
Clin Chem 1998 44: 1069-1071. [Extract] [Full Text] [PDF]  

NACB Symposium:

Lawrence A. Kaplan

Standards of laboratory practice: guidelines for the maintaining of a modern therapeutic drug monitoring service
Clin Chem 1998 44: 1072. [Extract] [Full Text] [PDF]  

Mark W. Linder and Paul E. Keck, Jr.

Standards of laboratory practice: antidepressant drug monitoring
Clin Chem 1998 44: 1073-1084. [Abstract] [Full Text] [PDF]  

Ann Warner, Michael Privitera, and David Bates

Standards of laboratory practice: antiepileptic drug monitoring
Clin Chem 1998 44: 1085-1095. [Abstract] [Full Text] [PDF]  

Roland Valdes, Jr., Saeed A. Jortani, and Mihai Gheorghiade

Standards of laboratory practice: cardiac drug monitoring
Clin Chem 1998 44: 1096-1109. [Abstract] [Full Text] [PDF]  

Suzanne White and Steven H. Y. Wong

Standards of laboratory practice: analgesic drug monitoring
Clin Chem 1998 44: 1110-1123. [Abstract] [Full Text] [PDF]  

Amadeo J. Pesce, Mitchell Rashkin, and Uma Kotagal

Standards of laboratory practice: theophylline and caffeine monitoring
Clin Chem 1998 44: 1124-1128. [Abstract] [Full Text] [PDF]  

Catherine A. Hammett-Stabler and Thomas Johns

Laboratory guidelines for monitoring of antimicrobial drugs
Clin Chem 1998 44: 1129-1140. [Abstract] [Full Text] [PDF]  

The Clinical Chemist:

The Clinical Chemist
Clin Chem 1998 44: 1141-1142. [Extract] [Full Text] [PDF]  

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