THE NOMOGRAM FOR EARLY DEATH IN PATIENTS WITH BONE AND SOFT TISSUE TUMORS Статья Xu Y., Xu G., Lin F., Mao M., Baklaushev V.P., Chekhonin V.P., Peltzer K., Wang J., Wang G., Wang X., Zhang C., Wu H. Journal of Cancer. Ivyspring International Publisher. Том 11. 2020. С. 5359-5370