You can also select the operator with which to combine your selected concerns. E.g. Substance is a Recognised Carcinogen and has Broad agreement that it is a Mutagen.
AND means that all of the criteria selected must be true for each substance in your results. OR means that any one of the criteria selected must be true for each substance in your results. Note that selecting AND will limit the number of results.')" target="_self" class=" lfr-icon-item taglib-icon" id="_dissadvancedsearch_WAR_disssearchportlet_kwje__column1__0">帮助