Costa, Nuno Couceiro, and Paulo Joaquim Pina Queirós. “The Functions, Training, and Extinction of Bloodletters in Portugal”. Journal of Nursing Referência 6, no. 2 (August 10, 2023): 1–7. Accessed May 30, 2025. https://revistas.rcaap.pt/referencia/article/view/32585.