div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Serological Evidence of a Chromatographic Sub-fractionation of Human 7S γ-Globulin src=https:reader031fdocumentorgreader031viewer20220205225750681c1a28ab0f07aea443html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1961 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Serological Evidence of a Chromatographic Sub-fractionation of Human 7S γ-Globulin src=https:reader031fdocumentorgreader031viewer20220205225750681c1a28ab0f07aea443html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divp© 1961 Nature Publishing Grouppdiv