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