VENKATA YASESWI, NAMALA, et al. “RETROPERITONEAL LIPOSARCOMA-EXCISION OF RETROPERITONEAL TUMOR AND RIGHT NEPHRECTOMY: A CASE STUDY”. Asian Journal of Pharmaceutical and Clinical Research, vol. 13, no. 12, Dec. 2020, pp. 1-3, doi:10.22159/ajpcr.2020.v13i12.37183.