div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Sporadic goiter surveys in the 1980s showed it was common in regions when prophy Norway Moscow Kaza hsta China because of broader economic problems in the Soviet Union IDD control src=https:reader031vdocumentinreader031viewer20220416165e3bfdad7df942082561b9cbhtml5thumbnails1jpg 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: Sporadic goiter surveys in the 1980s showed it was common in regions when prophy Norway Moscow Kaza hsta China because of broader economic problems in the Soviet Union IDD control src=https:reader031vdocumentinreader031viewer20220416165e3bfdad7df942082561b9cbhtml5thumbnails2jpg 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: Sporadic goiter surveys in the 1980s showed it was common in regions when prophy Norway Moscow Kaza hsta China because of broader economic problems in the Soviet Union IDD control src=https:reader031vdocumentinreader031viewer20220416165e3bfdad7df942082561b9cbhtml5thumbnails3jpg 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: Sporadic goiter surveys in the 1980s showed it was common in regions when prophy Norway Moscow Kaza hsta China because of broader economic problems in the Soviet Union IDD control src=https:reader031vdocumentinreader031viewer20220416165e3bfdad7df942082561b9cbhtml5thumbnails4jpg 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: Sporadic goiter surveys in the 1980s showed it was common in regions when prophy Norway Moscow Kaza hsta China because of broader economic problems in the Soviet Union IDD control src=https:reader031vdocumentinreader031viewer20220416165e3bfdad7df942082561b9cbhtml5thumbnails5jpg 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: Sporadic goiter surveys in the 1980s showed it was common in regions when prophy Norway Moscow Kaza hsta China because of broader economic problems in the Soviet Union IDD control src=https:reader031vdocumentinreader031viewer20220416165e3bfdad7df942082561b9cbhtml5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdiv