It is possible to wash out the gelling agent or thickener, leaving only the small drug particles for {HEAD ~ use} in {TAIL ~ the formulation} of a pharmaceutical product 
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It is possible to wash out the gelling agent or thickener , leaving only the small drug particles for { HEAD ~ use } in { TAIL ~ the formulation } of a pharmaceutical product
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH