共 12 条
[3]
BURCHARTH F, SURG GYNECOL OBSTET
[4]
DAGRADI AE, 1973, AM J GASTROENTEROL, V59, P15
[6]
MORENO AH, 1958, SURG CLIN N AM, V38, P421
[9]
Siegel S., 1956, NONPARAMETRIC STAT B
[10]
SIMERT G, 1978, ACTA CHIR SCAND, V144, P27