M. Cerqueira Silva, J. Maia, A. L. Rouxinol-Dias, and C. Almeida, “Predictors and Economic Impact of Red Blood Cell Transfusion in Cardiac Surgery: A Simulated Cost Reduction Model for Preoperative Anemia Management”, Acta Med Port, vol. 39, no. 2, pp. 114–124, Feb. 2026.