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<ahref="https://plu.mx/plum/a/?doi=10.1016%2Fs0021-9258(18)67646-x"data-popup="right"data-size="large"class="plumx-plum-print-popup"data-site="plum"data-hide-when-empty="true">Comparison between the time course of changes in nerve growth factor protein levels and those of its messenger RNA in the cultured rat iris.</a>
