Volume 91 – Number 1

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Prognostic value of KI-67 proliferation index in luminal breast cancers

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The relationship between bile reflux and common bile duct diameter after cholecystectomy: a clinical case-control study

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Association between radiographic findings and knee bone tumors

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Evolution of acute care surgery in a general surgery department during the COVID-19 pandemic and comparison with a historical cohort

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Analysis of the direct cost of medical and surgical care for breast cancer. Comparative study between early and advanced stages in the third level medical facility

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Incidence and factors associated with early and late adverse reactions after the first dose of Pfizer-BioNTech vaccine among healthcare workers

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Staging accuracy in resecable esophageal cancer. Observational retrospective study

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Kidney paired donation: benefit of this program on the transplant rate and graft survival

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Safety and quality of life of living kidney donors. Comparison between two techniques

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Exposure to ionizing radiation in orthopedic residents in a referral hospital