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Continue to ChatThe safety and efficacy of a new liver retractor for the performance of laparoscopic upper gastrointestinal surgery ?V a preclinical evaluation study https://www.sages.org/meetings/annual-meeting/abstracts-archive/the-safety-and-efficacy-of-a-new-liver-retractor-for-the-performance-of-laparoscopic-upper-gastrointestinal-surgery-v-a-preclinical-evaluation-study/