in the studies reported here , peripheral blood lymphoid cells from 14 ankylosing spondylitis ( as ) patients and 14 normal control subjects were examined for immune responses to the mitogens concanavalin a , phytohemagglutinin-p and pokeweed mitogen , as well as to primate spinal ligament , disc , and sacroiliac cartilage whole antigens .
C0301872
immune responses
C0003320
antigens