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December 1961

Ciba Foundation Symposium: Haemopoiesis; Cell Production and Its Regulation.

Arch Ophthalmol. 1961;66(6):919-920. doi:10.1001/archopht.1961.00960010921022

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This Ciba Foundation Symposium contains a useful collection of papers and discussions on recent studies of blood cell production and its control. A variety of techniques, including the use of radioisotopes, tissue culture, cell transfusion, and specialized assay techniques for the detection of circulating factors affecting erythropoiesis, are discussed. The result is a stimulating survey which might profitably be read in comparison with other recent symposia, relating to cell production (e.g., Dynamics of Cellular Proliferation, edited by F. Stohlman, Jr., New York, 1959). The use of tritiated thymidine (H3-thymidine) along with autoradiography in studies on cell production is referred to in several of the papers, and a valuable discussion centering around the use of this technique is included. The chief advantage of the method is considered to be its specificity and sensitivity, a primary disadvantage, with possible radiation damage to the cells. This technique has indicated the developmental

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