To achieve the small particle size, the drug may be dissolved in {HEAD ~ an organic solvent}, such as {TAIL ~ dimethyl sulfoxide} or ethanol, together with a gelling agent or thickener according to the invention 
such as
To achieve the small particle size , the drug may be dissolved in { HEAD ~ an organic solvent } , such as { TAIL ~ dimethyl sulfoxide } or ethanol , together with a gelling agent or thickener according to the invention
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH