RISK AND PROGNOSTIC FACTORS FOR DIFFERENT ORGAN METASTASIS IN PRIMARY OSTEOSARCOMA: A LARGE POPULATION-BASED ANALYSIS Статья Xu G., Wu H., Zhang Y., Xu Y., Guo X., Baklaushev V.P., Chekhonin V.P., Peltzer K., Wang J., Lu F., Wang G., Wang X., Ma W., Zhang C. Orthopaedic Surgery. Sociedade Brasileira de Matematica Aplicada e Computacional. Том 14. 2022. С. 714-719