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   MASAHISA OHTSUKA et al, 2013 CrossRef
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   Xiao-Xin Zhang et al, 2019, J Exp Clin Cancer Res CrossRef
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   Masahisa Ohtsuka et al, 2013, Ann Surg Oncol CrossRef
4. Expression of C4.4A is a Potential Independent Prognostic Factor for Patients with Gastric Cancer
   Da-Qing Cheng et al, 2014, Asian Pacific Journal of Cancer Prevention CrossRef