in order to ascertain the roles of phagocytes and t lymphocytes in the defense of tuberculous infection , 21 cases of healthy tuberculin reactors and 45 cases of active tuberculosis were studied with regard to the expression of fc and complement receptors on phagocytes and changes of surface markers of lymphocytes after in vitro incubation with purified protein derivative ( ppd ) .
C0041296
tuberculous
C0034131
ppd