经脐单孔腹腔镜与开腹胆囊切除术对患者肝功能和免疫功能的影响
경제단공복강경여개복담낭절제술대환자간공능화면역공능적영향
Comparison of effects between transumbilical single port laparoscopic cholecystectomy and open cholecystectomy on hepatic function and immune function in patients with gallbladder diseases