4Wan S K,Ferguson C J,Cochlin D L, et al.Duplex doppler ultrasound in the diagnosis of acute renal allograft rejec- tion[J]. Clin Radiol,1989,40(6):573-576.
5Kelcz F,Pozniak M A,Pirsch 1 D,et al.Pyramidal appe- arance and resistive index: insensitive and nonspecific sonographic indicators of renal transplant rejection [J ].A- JR Am J Roentgenol,1990,155(3):531-535.
7Rifkin M D,Needleman L, Pasto M E,et al.Evaluation of renal transplant rejection by duplex doppler examination: value of the resistive index[J].AJR Am J Roentgenol,1987, 148(4) :759-762.
8Arima M,Takahara S,Ihara H,et al.Predietability of renal allograft prognosis during rejection crisis by ultrasonic dotooler flow technique [ J ] .Urology,1982,19 (4) :389-394.
10Nicholson M L,Williams P M,Bell A,et al.Prospective study of the value of ultrasound measurements in the diagnosis of acute rejection following renal transplan- tation[J].Br J Surg,1990,77(6): 656-658.