div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader043fdocumentorgreader043viewer2022020405575068271a28ab0f07aed68ahtml5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: Local Anæsthetic Activity of the β-Receptor Antagonist Pronethalol src=https:reader043fdocumentorgreader043viewer2022020405575068271a28ab0f07aed68ahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divp© Nature Publishing Group1964pdiv