LETTERS TO THE EDITOR:

HW Gruchow

Age-related changes in urinary excretion of vanillylmandelate by adults
Clin Chem 1979 25: 193.  

RA Roesel, F LeCraw, and TA Huff

Lactic, levulinic, and crotonic acids as artifacts in hydrolyzed urine
Clin Chem 1979 25: 193-194.  

P Haythorn and M Sheehan

Improved centrifugal analyzer assay of albumin
Clin Chem 1979 25: 194.  

M Lever and D Munster

Performance evaluation by interlaboratory surveys
Clin Chem 1979 25: 194-196.  

WV Dorwart

Bilirubin interference in kinetic creatinine determination
Clin Chem 1979 25: 196-197. [PDF]  

WL Chiou

Advantages of using slower recorder chart speeds in liquid- chromatographic and gas-chromatographic analyses
Clin Chem 1979 25: 197.  

B Gerson, J LaBrie, and BE Copeland

Immunofixation on thin-layer agarose
Clin Chem 1979 25: 197.  

RW Handy

Zn contamination in vacutainer tubes
Clin Chem 1979 25: 197-198.  

AP De Leenheer, MG DeRuyter, and JV Huys

An "extra" arylamidase isoenzyme band in the serum of a cancer patient
Clin Chem 1979 25: 198. [PDF]  

Articles:

G Piel

The freedom of science and the public treasury
Clin Chem 1979 25: 5-10. [PDF]  

M Blecher

Cell-surface receptors in health and disease
Clin Chem 1979 25: 11-19. [Abstract] [PDF]  

M Werner, RJ Mohrbacher, CJ Riendeau, E Murador, and S Cambiaghi

Immobilized enzymes in continuous-flow analysis
Clin Chem 1979 25: 20-23. [Abstract] [PDF]  

G Davis and R Poholek

Stability of dried blood spots on paper, as used in screening neonates for hypothyroidism
Clin Chem 1979 25: 24-25. [Abstract] [PDF]  

BA Humphries, M Melnychuk, EJ Donegan, and RD Snee

Automated enzymatic assay for plasma ammonia
Clin Chem 1979 25: 26-30. [Abstract] [PDF]  

A Martin-Ponthieu, N Porchet, JC Fruchart, G Sezille, P Dewailly, X Codaccioni, and M Delecour

Determination of amniotic fluid phospholipids by thin-layer chromatography, with use of a hydrogen flame ionization detector
Clin Chem 1979 25: 31-34. [Abstract] [PDF]  

M Yoshioka, H Taniguchi, A Kawaguchi, T Kobayashi, K Murakami, M Seki, A Tsutou, M Tamagawa, H Minoda, and S Baba

Evaluation of a commercial enzyme immunoassay for insulin in human serum, and its clinical application
Clin Chem 1979 25: 35-38. [Abstract] [PDF]  

HF Osswald, R Asper, W Dimai, and W Simon

On-line continuous potentiometric measurement of potassium concentration in whole blood during open-heart surgery
Clin Chem 1979 25: 39-43. [Abstract] [PDF]  

EW Weiler and MH Zenk

Iodinated digoxin derivatives with improved reactivity and stability, for use in radioimmunoassay
Clin Chem 1979 25: 44-47. [Abstract] [PDF]  

B Silber, LB Sheiner, JL Powers, ME Winter, and W Sadee

Spironolactone-associated digoxin radioimmunoassay interference
Clin Chem 1979 25: 48-50. [Abstract] [PDF]  

SJ Soldin, BM Hill, YP Cahn, JM Swanson, and JG Hill

A liquid-chromatographic analysis for ritalinic acid [alpha-phenyl- alpha-(2-piperidyl) acetic acid] in serum
Clin Chem 1979 25: 51-54. [Abstract] [PDF]  

JC Hafkenscheid and CC Dijt

Determination of serum aminotransferases: activation by pyridoxal-5'- phosphate in relation to substrate concentration
Clin Chem 1979 25: 55-59. [Abstract] [PDF]  

M Bogusz, J Moroz, J Karski, J Gierz, A Regieli, R Witkowska, and Golabek

Blood cyanide and thiocyanate concentrations after administration of sodium nitroprusside as hypotensive agent in neurosurgery
Clin Chem 1979 25: 60-63. [Abstract] [PDF]  

TA Blumenfeld, HS Cheskin, and M Shinitzky

Microviscosity of amniotic fluid phospholipids, and its importance in determining fetal lung maturity
Clin Chem 1979 25: 64-67. [Abstract] [PDF]  

AI Leibowitz, AO Vladutiu, and JP Nolan

Immunoradiometric assay of endotoxin in serum
Clin Chem 1979 25: 68-70. [Abstract] [PDF]  

KG Jones and GD Sweeney

Quantitation of urinary porphyrins by use of second-derivative spectroscopy
Clin Chem 1979 25: 71-74. [Abstract] [PDF]  

LM Shaw and DA Newman

Hydrolysis of glutathione by human liver gamma-glutamyltransferase
Clin Chem 1979 25: 75-79. [Abstract] [PDF]  

N Watanabe, Y Niitsu, S Ohtsuka, J Koseki, Y Kohgo, I Urushizaki, K Kato, and E Ishikawa

Enzyme immunoassay for human ferritin
Clin Chem 1979 25: 80-82. [Abstract] [PDF]  

N Christophidis, G Mihaly, F Vajda, and W Louis

Comparison of liquid- and gas-liquid chromatographic assays of 5- fluorouracil in plasma
Clin Chem 1979 25: 83-86. [Abstract] [PDF]  

RF Labbe, CA Finch, NJ Smith, RN Doan, SK Sood, and N Madan

Erythrocyte protoporphyrin/heme ratio in the assessment of iron status
Clin Chem 1979 25: 87-92. [Abstract] [PDF]  

CR Roe, GS Wagner, WG Young, Jr, SE Curtis, FR Cobb, and RG Irvin

Relation of creatine kinase isoenzyme MB to postoperative electrocardiographic diagnosis in patients undergoing coronary-artery bypass surgery
Clin Chem 1979 25: 93-98. [Abstract] [PDF]  

MJ Jawad, EA Wilson, and HL Kincaid

Improved radioimmunoassay of urinary estriol
Clin Chem 1979 25: 99-102. [Abstract] [PDF]  

S Anaokar, PJ Garry, and JC Standefer

Enzymic assay for lecithin in amniotic fluid
Clin Chem 1979 25: 103-107. [Abstract] [PDF]  

BW Wyse, C Wittwer, and RG Hansen

Radioimmunoassay for pantothenic acid in blood and other tissues
Clin Chem 1979 25: 108-110. [Abstract] [PDF]  

V Prabhakaran, DA Nealon, and AR Henderson

Interaction between human IgG and human creatine kinase isoenzyme-1 in serum: a route for the intravascular catabolism of creatine kinase-1?
Clin Chem 1979 25: 112-116. [Abstract] [PDF]  

HG Eisenwiener and M Keller

Absorbance measurement in cuvettes lying longitudinal to the light beam
Clin Chem 1979 25: 117-121. [Abstract] [PDF]  

GE Reardon, AM Caldarella, and E Canalis

Determination of serum cortisol and 11-deoxycortisol by liquid chromatography
Clin Chem 1979 25: 122-126. [PDF]  

LL Bajema, W Lee, AM Zebelman, and MA Kenny

Detergent-containing glucose oxidase reagent for use with the Beckman glucose analyzer
Clin Chem 1979 25: 127-129. [Abstract] [PDF]  

GL Hammond, P Leinonen, and R Vihko

Discrete modular system for automation of radioimmunoassay of serum choriomammotropin
Clin Chem 1979 25: 129-131. [Abstract] [PDF]  

J Abele and H Khayam-Bashi

Aqueous primary standard for use in measuring cholesterol by the cholesterol oxidase method
Clin Chem 1979 25: 132-135. [Abstract] [PDF]  

NP Kubasik and HE Sine

A further comparison of radioassay results for serum and plasma
Clin Chem 1979 25: 135-136. [Abstract] [PDF]  

AK Dhar and H Kutt

Monitoring diazepam and desmethyldiazepam concentrations in plasma by gas-liquid chromatography, with use of a nitrogen-sensitive detector
Clin Chem 1979 25: 137-140. [Abstract] [PDF]  

V Graef, E Furuya, and O Nishikaze

Removal of contaminating substances before gas-liquid-chromatographic determination of aldosterone in urine
Clin Chem 1979 25: 141-143. [Abstract] [PDF]  

G Hoxter

Suggested isosbestic wavelength calibration in clinical analyses
Clin Chem 1979 25: 143-146. [Abstract] [PDF]  

P Urdal and JH Stromme

Effects of Ca, Mg, and EDTA on creatine kinase activity in cerebrospinal fluid
Clin Chem 1979 25: 147-150. [Abstract] [PDF]  

RL Walsh, ME Coles, and TD Geary

Evaluation of two commercially available laser nephelometers and their recommended methods for measurement of serum immunoglobulin G
Clin Chem 1979 25: 151-156. [Abstract] [PDF]  

B Vinet and L Zizian

Improved determination of serum theophylline by gas chromatography with use of a nitrogen-phosphorus detector
Clin Chem 1979 25: 156-158. [Abstract] [PDF]  

H Shwachman and A Mohmoodian

Quality of sweat test performance in the diagnosis of cystic fibrosis
Clin Chem 1979 25: 158-161. [Abstract] [PDF]  

P Apinyacharti and RC Baxter

Comparison of three iodination methods for human somatotropin
Clin Chem 1979 25: 161-163. [Abstract] [PDF]  

N Patritti-Laborde, Y Yoshimoto, A Wolfsen, and WD Odell

Improved method of purifying some radiolabeled glycopeptide hormones
Clin Chem 1979 25: 163-165. [Abstract] [PDF]  

KK Midha, JC Loo, JW Hubbard, ML Rowe, and IJ McGilveray

Radioimmunoassay for chlorpromazine in plasma
Clin Chem 1979 25: 166-168. [Abstract] [PDF]  

PB Eriksen and O Andersen

Homogeneous enzyme immunoassay of serum digoxin with use of a bichromatic analyzer
Clin Chem 1979 25: 169-171. [Abstract]  

VA Raisys, AM Zebelman, and SF MacMillan

Gas-chromatographic determination of mephenytoin and desmethylmephenytoin, after off-column alkylation
Clin Chem 1979 25: 172-175. [Abstract] [PDF]  

BT Doumas, LL Hause, RD Sciacca, B Jendrzejczak, CC Foreback, JD Hoover, WW Spencer, and PL Smock

Performance of the Du Pont aca ammonia method
Clin Chem 1979 25: 175-178. [Abstract] [PDF]  

H Park

New technique for solid-phase immunoassay: application to hepatitis B surface antigen
Clin Chem 1979 25: 178-182. [Abstract] [PDF]  

S Meites and MJ Levitt

Skin-puncture and blood-collecting techniques for infants
Clin Chem 1979 25: 183-189. [PDF]  

FR Dalal and S Winsten

Double light-chain disease: a case report
Clin Chem 1979 25: 190-192. [Abstract] [PDF]  

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