div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Presentation1 - mcdorgil · Pergamon Press New 1990: pp 522—573 Twyrross RG Uses and constraints oí available opioid drugs in the treatment of cancer pain Proceedings of src=https:reader034vdocumentinreader034viewer20220423135edd7091ad6a402d666888e0html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: Presentation1 - mcdorgil · Pergamon Press New 1990: pp 522—573 Twyrross RG Uses and constraints oí available opioid drugs in the treatment of cancer pain Proceedings of src=https:reader034vdocumentinreader034viewer20220423135edd7091ad6a402d666888e0html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: Presentation1 - mcdorgil · Pergamon Press New 1990: pp 522—573 Twyrross RG Uses and constraints oí available opioid drugs in the treatment of cancer pain Proceedings of src=https:reader034vdocumentinreader034viewer20220423135edd7091ad6a402d666888e0html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: Presentation1 - mcdorgil · Pergamon Press New 1990: pp 522—573 Twyrross RG Uses and constraints oí available opioid drugs in the treatment of cancer pain Proceedings of src=https:reader034vdocumentinreader034viewer20220423135edd7091ad6a402d666888e0html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: Presentation1 - mcdorgil · Pergamon Press New 1990: pp 522—573 Twyrross RG Uses and constraints oí available opioid drugs in the treatment of cancer pain Proceedings of src=https:reader034vdocumentinreader034viewer20220423135edd7091ad6a402d666888e0html5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 6button div class=ts-image amp-img class=ts-thumb alt=Page 6: Presentation1 - mcdorgil · Pergamon Press New 1990: pp 522—573 Twyrross RG Uses and constraints oí available opioid drugs in the treatment of cancer pain Proceedings of src=https:reader034vdocumentinreader034viewer20220423135edd7091ad6a402d666888e0html5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdiv