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Acknowledgements
We thank Prof. Erik Skarsgard for critically reading the manuscript and Dr. Shigeru Takamizawa (Department of Pediatric Surgery, Nagano Children’s Hospital) for the generous advice about data analyses.
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Endo, K., Yoshida, M. & Yokoi, A. Triangular Cord Sign on Ultrasonography Does Not Indicate Disease Progression of Biliary Atresia. Indian J Pediatr 86, 656–657 (2019). https://doi.org/10.1007/s12098-019-02967-8
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DOI: https://doi.org/10.1007/s12098-019-02967-8