Nivolumab and sunitinib in patients with advanced bone sarcomas: A multicenter, single‐arm, phase 2 trial. - Palmerini, Emanuela; Lopez Pousa, Antonio; Grignani, Giovanni; Redondo, Andres; Hindi, Nadia; Provenzano, Salvatore; Sebio, Ana; Lopez Martin, Jose Antonio; Valverde, Claudia; Martinez Trufero, Javier; Gutierrez, Antonio; de Alava, Enrique; et al. (Cancer (0008543X), 2025)