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poly·vi·nyl·pyr·rol·i·done

n :  a water-soluble chemically inert solid polymer (-CH2CHC4H6NO-)n used chiefly in medicine as a vehicle for drugs (as iodine) and esp. formerly as a plasma expander - called also povidone  .
 
 

 
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Swisher Memorial Hospital (Tulia, Texas - Swisher County)