{HEAD ~ Analysis} of the appearance and {TAIL ~ disappearance} of members of the complex and of the cross linked substance provides a tool for evaluating components of living systems and thereby to follow the effects of treatments of, and abnormalities in, these systems 
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{ HEAD ~ Analysis } of the appearance and { TAIL ~ disappearance } of members of the complex and of the cross linked substance provides a tool for evaluating components of living systems and thereby to follow the effects of treatments of , and abnormalities in , these systems
HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH