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