1. Renal tumors;de Kernion,1986
2. Unrecognized renal cell carcinoma;Hellsten;Scand J Urol Nephrol,1981
3. deKernion JB: The natural history and clinical features of renal carcinoma;Ritchie;Semin Nephrol,1987
4. Murphy GP: clinical significance of erythropoietin levels in renal carcinoma;Nseyo;Urology,1986
5. Nephrogenic polycythemia;Murphy;J Urol,1964