6Nolan CR, Anderson RJ. Hospital - acquired acute renal failure. J Am Soc Nephrol, 1998, 8:710-718.
7Liano F, Pascual J. Course and prognosis of acute renal failure in the very old : Results of a multi - centre survery in Madrid,Spain. J Am Soc Nephrol, 1994, 5:400.
8Weiberg LS, Allgren RL, Center FC, et al. Cause of acute tubular necrosis affects its prognosis. Arch Intern Med, 1997,157:1833- 1838.
9Alexopoulos E, Vakianis P, Kokolina E, et al. Acute renal failure in a setting: changing patterns and prognostic factors. Ren Fail, 1994, 16(2): 273-284.
10Firmat J, Zucchini A, Martin R, et al. A study of 500 cases of acute renal failure(1978-1991). Ren Fail, 1994,16(1) : 91-99.