Assertion: stimulation | /r/HasProperty | two kinds
Facets:
value: normally
type: DEGREE
Source sentences:
text: This stimulation is normally of two kinds, antigen dependent (where you need antigen and co-stimulation from antigen presenting cells or anti-CD28 antibodies etc) and antigen independent (where you do not need an antigen but a mitogen [PHA or Con A] or anti-CD3 and anti-CD28 antibodies).