Stypopodium zonale
... that the brown seaweed Stypopodium zonale contains substances that are cytotoxic to certain human carcinoma cells?
... that the <a href="./Brown_algae" id="mwEPQ" rel="mw:WikiLink" title="Brown algae">brown seaweed</a> <i id="mwEPU"><b id="mwEPY"><a href="./Stypopodium_zonale" id="mwEPc" rel="mw:WikiLink" title="Stypopodium zonale">Stypopodium zonale</a></b></i> contains <a href="./Secondary_metabolite" id="mwEPg" rel="mw:WikiLink" title="Secondary metabolite">substances</a> that are <a href="./Cytotoxicity" id="mwEPk" rel="mw:WikiLink" title="Cytotoxicity">cytotoxic</a> to certain human <a href="./Carcinoma" id="mwEPo" rel="mw:WikiLink" title="Carcinoma">carcinoma</a> cells?