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Article
Absence of a Periampullary Mass on Cross-sectional Imaging Delays Diagnosis and Time to Pancreatoduodenectomy But Does Not Impair Outcome
The aim of this study was to assess whether the lack of a radiological mass in patients with periampullary malignancies led to protracted diagnosis, delayed resection, and an inferior outcome.
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Transplantation Immunology
The twentieth century began with uniformly unsuccessful endeavors at investigational allotransplantation, and the next half-century was marked by repeated failure. The recognition of histocompatibility antigen...