《中国期刊全文数据库》收录期刊
《中国核心期刊（遴选）数据库》收录期刊
《中文科技期刊数据库》收录期刊
Surgical Research and New Technique
Risk factors and surgical skill on difficult laparoscopic cholecystectomy
TU Zhi-yuan, ZHU Qin
Surgical Research and New Technique . 2013, (2): 87 -89 .