Cross-priming of CTL responses in vivo does not require antigenic peptides in the endoplasmic reticulum of immunizing cells .
cross-priming of ctl responses in vivo does not require antigenic peptides in the endoplasmic reticulum of immunizing cells .
O O B-other_name I-other_name O O O O O B-peptide I-peptide O O B-cell_component I-cell_component O B-cell_type I-cell_type O