共 14 条
[6]
MCMILLAN A, 1987, HOSPITAL UPDATE, V35, P454
[7]
ORIEL JD, 1971, BRIT J VENER DIS, V47, P373
[8]
SIM A, 1988, SURGERY MI, V22, P1396
[9]
SOHN N, 1977, AM J GASTROENTEROL, V67, P478
[10]
VANCALCK M, 1988, AM J GASTROENTEROL, V83, P1306