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Yamashita, E., Yashiro, K. & Suzuki, S. Prenatal ultrasonographic findings of large pseudocysts and edema of the umbilical cord. J Med Ultrasonics 38, 59–61 (2011). https://doi.org/10.1007/s10396-010-0275-6
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DOI: https://doi.org/10.1007/s10396-010-0275-6