Impact of the DRG System on Technical Efficiency: A Case Study of Chilean High-Complexity Hospitals. - Javier Pérez-Cáceres; José Lillo-Vidal; Igor Tona Peres; Manuel Villalobos-Cid (SCCC, 2024)

Stochastic model for physician staffing and scheduling in emergency departments with multiple treatment stages. - Janaina Figueira Marchesi; Silvio Hamacher; Igor Tona Peres (Eur. J. Oper. Res., 2025)