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Roller, B.L., Wuertzer, S.D. & Dyer, R.B. The “winking owl” sign. Abdom Radiol 41, 582–583 (2016). https://doi.org/10.1007/s00261-015-0565-y
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DOI: https://doi.org/10.1007/s00261-015-0565-y