1The experience of laparoscopic cholecystectomy in the treatment of 60 cases of elderly acute cholecystitis combine with gallstoneWU Ze-jian, LI Rui-ping, JIANG Ji-ling, SUN Hong-wu1-32Diagnostic value of contrast-enhanced ultra sound and color coppler ultra sonography in renal tumorsCHEN Shao-qi, LIN Teng, HUANG Li-ying, WANG Zhi-min3-43Treatment of polycystic ovary syndrome complicated with infertility by ultrasound-guided follicle punctureLIU Xin-xiong5-64Integrative Medicine efficacy of early postoperative intestinal obstructionCAI Yun-sheng, YU lin, ZHANG Lv-tao6-75The undefined of DHS in treatment of intertrochanteric fractures in primary hospitalBO Wen-bin, REN Juan8-96Pathogenesis and treatment of vocal cord paralysis due to general anaesthesiaFENG Dan11-127The change and clinical significance of serum myocardial enzymes in bronchopneumonia baby and infantWANG Tong, JI Na40-418New understanding of occupational health functions of the relationship between health protection of workersQIU Li, JING Fu-hua, LI Jun, WANG Xing-zhou101-1039The relations between the potassium channel and atrial electrical remodeling and their mechanismsLIU Shuang, YUE Chuan-zhe, WANG Dong-ming113-11510Research techniques for protein-protein interactionsZHANG Cheng-lin, LI Jian-yuan115-117