{HEAD ~ The method} 5, wherein said microcrystal has {TAIL ~ a cross section} of 10 4 or less 
{ HEAD ~ The method } 5 , wherein said microcrystal has { TAIL ~ a cross section } of 10 4 or less
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH