“Comparison of Immediate Outcomes of Neoadjuvant Radiotherapy for Rectal Cancer During the COVID-19 Pandemic. A Propensity Score-Matched Multicenter Retrospective Study”. 2025. Voprosy Onkologii 71 (5): OF-2380. https://doi.org/10.37469/0507-3758-2025-71-5-OF-2380.