Signal suppression of {HEAD ~ lower abundance proteins} by {TAIL ~ high abundance proteins} presents a significant challenge to SELDI mass spectrometry 
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Signal suppression of { HEAD ~ lower abundance proteins } by { TAIL ~ high abundance proteins } presents a significant challenge to SELDI mass spectrometry
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH