[Signet-ring cell carcinoma of the urinary bladder: study of 4 cases and review of the literature].

@inproceedings{ValerdizCasasola1989SignetringCC,
  title={[Signet-ring cell carcinoma of the urinary bladder: study of 4 cases and review of the literature].},
  author={S ValerdizCasasola and Pardo Mind{\'a}n Fj},
  year={1989}
}

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