Clinical Chemistry
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Clinical Chemistry 38: 1199, 1992;
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Clinical Chemistry, Vol 38, 1199-1199, Copyright © 1992 by the American Association for Clinical Chemistry

Establishment of an External Quality-Assessment Scheme for Amino Acid Analyses: Results from Assays of Samples Distributed during Two Years

J. M. Rattenbury 1 and J. C. Tewnsend 2

1 Department of Chemical Pathology, Children's Hospital, Sheffield SlO 2TH, U.K.
2 Department of Clinical Chemistry, Royal Hallamshire Hospital, Sheffield Sb 2JF, U.K.

Vol. 36

p. 224: In the caption for Figure 1, the curves should be identified as follows: A, *; B, +; and C, •.

p. 371: Left column, line 10, should refer to women, not men. Right column, third line above the Statistics section, should note that results were read at 450 nm (with a reference wavelength of 630 nm). In Table 2, INN prefix refers to Innsbruck monoclonal antibodies.

p. 373: Right column, line 9, should read: however, only the hCG/free-agr ratio was significantly different between progressive and nonprogressive tumors (P<0.05). The Figure 5 subcaption, first sentence, should read: Serum concentrations exceeding the physiological ranges of the three markers (mean serum values for healthy men plus 3 SD; 99.7% confidence interval) were defined as positive for those markers.

p. 374: Right column, line 12, should read: suppression of free-agr secretion by an LHRH antagonist.






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Copyright © 1992 by the American Association for Clinical Chemistry.