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This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Rights and Permissions Citing Articles Citing Articles via CrossRef Citing Articles via Google Scholar Google Scholar Articles by KEIGHLEY, G. Articles by VAN DYKE, D. C. Search for Related Content PubMed PubMed Citation Articles by KEIGHLEY, G. Articles by VAN DYKE, D. C. Social Bookmarking                   What's this?  Previous Article  |  Table of Contents  |  Next Article  Blood, 1960, Vol. 16, No. 4, pp. 1424-1432. © 1960 American Society of Hematology, Inc. A Cooperative Assay of a Sample with Erythropoietic Stimulating Activity GEOFFREY KEIGHLEY , PETER H. LOWY , HENRY BORSOOK , EUGENE GOLDWASSER , ALBERT S. GORDON , THEODORE C. PRENTICE , WALTER A. RAMBACH , FREDERICK STOHLMAN JR. , and DONALD C. VAN DYKE A batch of erythropoietically active material made from the plasma of phenylhydrazine treated rabbits was distributed to seven laboratories in this country for the purpose of comparing assay methods. The results of the assays using 10 different methods or major variations are presented. Most of the assay methods being employed were represented so that other laboratories should be able to compare their results to those obtained in this study. The importance of obtaining some uniform basis for comparison of activity of erythrocyte stimulating factor between laboratories has been emphasized and a tentative unit has been proposed based on a net incorporation into rat red cells of 20 per cent of injected Fe59, using a standardized assay procedure. Submitted on March 14, 1960 Accepted on June 28, 1960 CiteULike    Connotea    Del.icio.us    Digg    Reddit    Technorati    What's this?

	Copyright © 1960 by American Society of Hematology         Online ISSN: 1528-0020