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Sakala, M.D., Dyer, R.B. & Tappouni, R. The “erased charcoal” sign. Abdom Radiol 42, 981–982 (2017). https://doi.org/10.1007/s00261-016-0938-x
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DOI: https://doi.org/10.1007/s00261-016-0938-x