1. Primary liposarcoma of the kidney;BERNARD, J. C. & DORMAN, 1;Semana medica, Buenos Aires,1969
2. A rare tumour-renal liposarcoma;DAVID, M.; TUDOSE, N.;Timisoara medicala,1968
3. Renal hamartoma;HULSE, C.A.; PALIK, E.E.;Journal of Urology,1951
4. Liposarcoma of the kidney. Polski przeglad;IWANOWSKA, H.;chirurgiczny,1968
5. Liposarcoma of the kidney;MACDERMOTT, E.N.; KENNEDY, J.D.;British Journal of Urology,1960