{HEAD ~ The present invention} provides purified and isolated chemokine protein, fragments and polypeptide analogs thereof, antibodies thereto, and {TAIL ~ materials} and methods for the recombinant production thereof 
provides
{ HEAD ~ The present invention } provides purified and isolated chemokine protein , fragments and polypeptide analogs thereof , antibodies thereto , and { TAIL ~ materials } and methods for the recombinant production thereof
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