Atezolizumab and bevacizumab in patients with advanced hepatocellular carcinoma with impaired liver function and prior systemic therapy – a real-world experience - de Castro, Tiago; Jochheim, Leonie; Bathon, Melanie; Welland, Sabrina; Jeschke, Matthias; Ludwig, JohannesM.; Lange, ChristianM.; Saborowski, Anna; Vogel, Arndt (Zeitschrift für Gastroenterologie, 2022)