{TAIL ~ The method} includes encapsulating {HEAD ~ a single cell suspension} of ES cells within an alginate polyelectrolyte microenvironment 
{ TAIL ~ The method } includes encapsulating { HEAD ~ a single cell suspension } of ES cells within an alginate polyelectrolyte microenvironment
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH