# An Unusual Case of Gastrointestinal Bleeding; Which Is the Bleeding Origin, Upper or Lower Digestive Tract?

**Authors:** Kazuki Natsui, Masaki Maruyama, Shuji Terai

PMC · DOI: 10.1016/j.gastha.2023.05.006 · Gastro Hep Advances · 2023-05-31

## Full-text entities

- **Diseases:** Gastrointestinal Bleeding (MESH:D006471), Bleeding (MESH:D006470)

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Source: https://tomesphere.com/paper/PMC11307440