{TAIL ~ Cell associated determinants} include, for example, components of the cell membrane, such as membrane bound proteins or glycoproteins, including cell surface antigens of either host or viral origin, {HEAD ~ histocompatibility antigens} or membrane receptors 
{ TAIL ~ Cell associated determinants } include , for example , components of the cell membrane , such as membrane bound proteins or glycoproteins , including cell surface antigens of either host or viral origin , { HEAD ~ histocompatibility antigens } or membrane receptors
TAIL TAIL 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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH