A method 1, which comprises detecting enhanced aggregation of {HEAD ~ the platelets} in {TAIL ~ the presence} of a multivalent ion 
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A method 1 , which comprises detecting enhanced aggregation of { HEAD ~ the platelets } in { TAIL ~ the presence } of a multivalent ion
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH