This invention is based in part upon {TAIL ~ the discovery} that rapid drying of polymer hydrogels can eliminate the problem of unacceptable levels of soluble oligomers caused by {HEAD ~ prolonged thermal treatment} 
This invention is based in part upon { TAIL ~ the discovery } that rapid drying of polymer hydrogels can eliminate the problem of unacceptable levels of soluble oligomers caused by { HEAD ~ prolonged thermal treatment }
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