div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader040fdocumentorgreader040viewer2022020523575068581a28ab0f07afbd4chtml5page1jpg target=_blank img data-url=document-endorphin-inhibits-ach-turnover-in-nuclei-of-rat-brainhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: β Endorphin inhibits ACh turnover in nuclei of rat brain loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader040fdocumentorgreader040viewer2022020523575068581a28ab0f07afbd4chtml5thumbnails1jpg width=140 height=200 adivp© 1977 Nature Publishing Grouppdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader040fdocumentorgreader040viewer2022020523575068581a28ab0f07afbd4chtml5page2jpg target=_blank img data-url=document-endorphin-inhibits-ach-turnover-in-nuclei-of-rat-brainhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: β Endorphin inhibits ACh turnover in nuclei of rat brain loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader040fdocumentorgreader040viewer2022020523575068581a28ab0f07afbd4chtml5thumbnails2jpg width=140 height=200 adivp© 1977 Nature Publishing Grouppdiv