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Letters to the Editor |
Medical School, University of Athens, Department of Pathophysiology, 51 Pratinou St., Athens 11634, Greece, Fax 30-210-724-7187, E-mail avrameasstratis{at}yahoo.fr
To the Editor:
Colleagues have brought to my attention the article "Enzyme Immunoassay (EIA)/Enzyme-Linked Immunosorbent Assay (ELISA)" by R.M. Lequin, recently published in Clinical Chemistry (1).
The assertion made in that article, that EIA/ELISA was first introduced, independently and simultaneously, by 2 scientific research groups, is correct but incomplete. In fact, a 3rd group, our team at the Pasteur Institute, also developed and published in 1971 an enzymo-immunologic method, this one for the measurement of serum IgG, with the aid of immunoadsorbants and enzyme-labeled antigens (2).
Incidentally, we also published in 1971 an immunoenzymatic method for the measurement of cellular immunoglobulins (3), although this method was not a classic (in the strictest sense), quantitative solid-phase immunoassay.
References
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