Perforin Expression in Peripheral Blood Lymphatic Cells of Patients Subjected to Laparoscopic or Open Cholecystectomy
Figure 2
Percentage of surface marker positive T lymphocytes (a) and NK cells (b) (mean percentage S.E.M.) in peripheral blood from patients subjected to classic or laparoscopic cholecystectomy before (two-colored columns) and after operation (one-colored column). *Statistical significance between the preoperative and postoperative values *.
