div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Variations in Hair Trace Element Concentrations Importance mailtraceelementscomDocsNews Sept-Oct 99pdf · submitted for testing Improper sam- pling techniques can compromise src=https:reader035vdocumentinreader035viewer20220714106104a68c4b3b8564874cde52html5thumbnails1jpg 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: Variations in Hair Trace Element Concentrations Importance mailtraceelementscomDocsNews Sept-Oct 99pdf · submitted for testing Improper sam- pling techniques can compromise src=https:reader035vdocumentinreader035viewer20220714106104a68c4b3b8564874cde52html5thumbnails2jpg 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: Variations in Hair Trace Element Concentrations Importance mailtraceelementscomDocsNews Sept-Oct 99pdf · submitted for testing Improper sam- pling techniques can compromise src=https:reader035vdocumentinreader035viewer20220714106104a68c4b3b8564874cde52html5thumbnails3jpg 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: Variations in Hair Trace Element Concentrations Importance mailtraceelementscomDocsNews Sept-Oct 99pdf · submitted for testing Improper sam- pling techniques can compromise src=https:reader035vdocumentinreader035viewer20220714106104a68c4b3b8564874cde52html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdiv