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