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