Fradique, C., Azevedo, V., Vasconcelos, V., Pupo, A., Quaresma, L., & Carreira, N. (2002). Extended surgery in locally invasive pancreatic cancer. An original revascularization technique. Acta Médica Portuguesa, 15(6), 417–21. https://doi.org/10.20344/amp.1984