[Observation on natural killer cell activity in gastric cancer patients and effect of nonspecific immunopotentiator administration on its postoperative reduction].


Natural killer cell (NK) activity, together with various nonspecific immunologic parameters, was measured preoperatively, and its changes induced by operative stress were examined in gastric cancer patients. Effect of administration of a nonspecific immunopotentiator, OK-432, was evaluated by postoperative changes in NK activity. Peripheral blood NK… (More)