Alginate polyelectrolyte encapsulation is used for {HEAD ~ the controlled differentiation} of {TAIL ~ embryonic stem cells} 
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Alginate polyelectrolyte encapsulation is used for { HEAD ~ the controlled differentiation } of { TAIL ~ embryonic stem cells }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL