[lemma=cell] ([lemma=type] | [tag=RB]) [lemma=find] [□=□]
[lemma=cell] ([lemma=type] | [tag=RB]) [lemma=find] [lemma=□]
[lemma=cell] ([lemma=type] | [tag=RB]) [lemma=find] [tag=□]
Embryonic stem cells ( ES cells ) may hold the most promise for treating diseases , because they are pluripotent : they can grow and divide , or differentiate , into any cell type found in the fetus and adult .