Patel, S. H., A. N. Patel, T. N. Malek, and M. R. Kuswaha. “A Case Presentation on Rare Case of Retroperitoneal Liposarcoma”. International Surgery Journal, vol. 10, no. 10, Sept. 2023, pp. 1693-7, doi:10.18203/2349-2902.isj20232998.