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   Tumay Ak et al, 2023, Medicina Clínica Práctica CrossRef
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   Cynthia Epskamp et al, 2019, Journal of Gastrointestinal Cancer CrossRef
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   Shigehiro Kojima et al, 2018, Surgical Case Reports CrossRef
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   Barnabas Goh et al, 2022, ANZ Journal of Surgery CrossRef
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   Athina A. Samara et al, 2022, Cancer Reports CrossRef