tokens: Ultrastructurally , the cells had alpha-granules , demarcation membranes , and platelet peroxidase activity .
folded_tokens: ultrastructurally , the cells had alpha-granules , demarcation membranes , and platelet peroxidase activity .
labels: O O O O O B-cell_component O B-cell_component I-cell_component O O B-protein_molecule I-protein_molecule O O