Abstract
IN comparing the immunological responsiveness, in relation to a particular nematode, of old-established hosts on one hand and newly established hosts on the other1, it was necessary to obtain an antigen which could be presumed to have been immunologically active over evolutionary time, that is, a natural product of normal infection. It was therefore essential to collect the excretions and secretions of worms living under conditions resembling as nearly as possible the natural environment, in this instance the liver and abdominal cavity of rats.
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Sprent, J. F. A., in The Evolution of Living Organisms, edit. by Leeper, G. W. (Melbourne Univ. Press); Regional Symp. Tropical Parasitology, Singapore, Nov. 5–9, 1962; Parasitol., 53, 7, 321 (1963).
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SPRENT, J., SCOTT, R. & TIMOURIAN, H. Diffusion Chambers for the Collection of Helminth Antigens. Nature 200, 913 (1963). https://doi.org/10.1038/200913a0
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DOI: https://doi.org/10.1038/200913a0
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