{HEAD ~ e) optionally, a polymeric stabilizer} in {TAIL ~ an amount} of from about 0.1 to about 3 parts by weight per 100 parts by weight of the microspheres 
{ HEAD ~ e ) optionally , a polymeric stabilizer } in { TAIL ~ an amount } of from about 0.1 to about 3 parts by weight per 100 parts by weight of the microspheres
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH