Among vaccine delivery systems , micro - and nanoparticulated ones are attractive ,
because their particulate nature can increase cross - presentation of the peptide .
Among vaccine delivery systems , micro - and nanoparticulated ones are attractive , because their particulate nature can increase cross - presentation of the peptide .
Among vaccine delivery systems , micro - and nanoparticulated ones are attractive , because their particulate nature can increase cross - presentation of the peptide .