Phase II Trial of Gemcitabine and Nab-Paclitaxel for Recurrent Osteosarcoma with Serial Monitoring Using Liquid Biopsy: A Report from the National Pediatric Cancer Foundation. - Dhir A; Hayashi M; Bodlak A; Oesterheld J; Loeb DM; Mascarenhas L; Isakoff MS; Sandler ES; Borinstein SC; Trucco M; Lagmay JP; Setty BA; et al. (Clinical cancer research : an official journal of the American Association for Cancer Research, 2024)