at 37 degrees c , ldv particles were seen in intracellular endocytic vesicles also in about 5 % of the cells , and the proportion of cells with virus-containing vesicles correlated with the proportion of cells which became productively infected with ldv as assessed by determining ldv rna synthesis in individual cells and by fluorescent antibody staining .
C0887883
endocytic vesicles
C0007634
cells