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Virtual portal pressure gradient from anatomic CT angiography

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  • XQ and ZL contributed equally.

  • Contributors CY and ZL offered administrative and material support and obtained funding; XQ, CY and ZL designed the study; XQ and HL drafted and revised the manuscript; CL, CX and JD acquired the data; JH, YZ, FZ and YZha analysed data; MX, SX and WX interpreted the results. They all participated sufficiently in the work and all approved the final version of the article.

  • Competing interests None.

  • Patient consent Obtained.

  • Ethics approval Ethics committees of Tongji Hospital of Tongji University, Shanghai, China and 302 Hospital of Chinese People's Liberation Army, Beijing, China.

  • Provenance and peer review Not commissioned; externally peer reviewed.