Assertion: autoimmune disease's system | /r/Desires | the activation of b cells
Facets:
value: by t cells
type: OTHER
Source sentences:
text: A normal immune system requires the activation of B cells by T cells before the former can undergo differentiation into plasma B-cells and subsequently produce antibodies in large quantities.
text: A normal immune system requires the activation of B cells by T cells before the former can undergo differentiation into plasma B-cells and subsequently produce antibodies in large quantities.