Conclusiveness of biopsy techniques for diagnosis of bone and soft tissue tumours: a retrospective, single-centre observational study. - Smolle MA; Rauscher J; Wenzl FA; Igrec J; Szkandera J; Liegl-Atzwanger B; Leithner A; Andreou D (Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology, 2026)