1. Comparison of hand-assisted laparoscopic surgery (HALS) and conventional laparotomy in patients with colorectal cancer: Final results from a single center
   Takayuki Tajima et al, 2017, Oncology Letters CrossRef
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   TAKAYUKI TAJIMA et al, 2015, Molecular and Clinical Oncology CrossRef
3. Comparison of hand-assisted laparoscopic surgery and conventional laparotomy for colorectal cancer: Interim results from a single institution
   TAKAYUKI TAJIMA et al, 2014, Oncology Letters CrossRef