<font size="4"><font size="3">[http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Search&amp;db=pubmed&amp;term=cell+culture&amp;tool=fuzzy&amp;ot=cellculture/&nbsp; cellculture paper-NCBI]</font> </font><br />

[[stem cell]]&nbsp;<br />