%0 Journal Article %T Development and validation of an online prognostic nomogram for osteosarcoma after surgery: a retrospective study based on the SEER database and external validation with single-center data %A Feng, Liwen %A Chen, Yuting %A Ye, Ting %A Shao, Zengwu %A Ye, Chengzhi %A Chen, Jing %J Translational Cancer Research %D 2022 %B 2022 %9 %! Development and validation of an online prognostic nomogram for osteosarcoma after surgery: a retrospective study based on the SEER database and external validation with single-center data %K %X %U https://tcr.amegroups.org/article/view/66683 %V 11 %N 9 %P 3156-3174 %@ 2219-6803