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   Huai-Yong Guan et al, 2023, World Journal of Clinical Cases CrossRef
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   F.J. Formigo Couceiro et al, 2015, SEMERGEN - Medicina de Familia CrossRef
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   Xinrong Hu et al, 2024, Frontiers in Oncology CrossRef
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   Tian Liu et al, 2024, European Journal of Surgical Oncology CrossRef