Assertion: lymphoblast's cell | /r/AtLocation | the blood
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Any of the nearly colorless cells found in the blood, lymph, and lymphoid tissues, constituting approximately 25 percent of white blood cells in humans and including B cells, which function in humoral immunity, and T cells, which function in cellular immunity.
text: It nearly always involves the bone marrow, and often malignant cells are found in the blood, so that its clinical picture is similar to that of chronic lymphocytic leukemia .
text: It nearly always involves the bone marrow, and often malignant cells are found in the blood, so that its clinical picture is similar to that of chronic lymphocytic leukemia .