“Differential Diagnostics of Soft Tissue Sarcoma Recurrence and Postoperative Changes: A Comparative Efficacy of Contrast-Enhanced Ultrasound versus Magnetic Resonance Imaging”. 2025. Voprosy Onkologii 71 (4): OF-2443. https://doi.org/10.37469/0507-3758-2025-71-4-OF-2443.