[Four observations on leukoplasia of the renal pelvis].
D004194:Disease; D006801:Humans; D007674:Kidney Diseases; D007682:Kidney Pelvis; D007971:Leukoplakia; D011704:Pyelonephritis
KIDNEY PELVIS/diseases; LEUKOPLAKIA; PYELONEPHRITIS
Cuatro observaciones de leucoplasia de la pelvis renal.