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Open AccessRegular gastroscopy and colonoscopy during the evaluation of urachal cancer: do we really need them?
Urachal cancer is similar to gastrointestinal adenocarcinoma in histology, and gastroscopy/colonoscopy is often administered during perioperative evaluation. However, gastroscopy and colonoscopy have correspon...
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Discrete element-based regression analysis of initial ground stress and application to an extra-long tunnel in China
The understanding of the initial ground stress field in deeply buried tunnels can help optimize the design of the support structure and reduce the occurrence of accidents such as collapse during the constructi...
