共 17 条
[3]
BERNARD D, 1986, CAN J SURG, V29, P318
[4]
BERNSTEIN LH, 1980, GASTROENTEROLOGY, V79, P357
[5]
BRANDT LJ, 1982, GASTROENTEROLOGY, V83, P383
[9]
GIVEL JC, 1982, SURG GYNECOL OBSTET, V155, P494
[10]
GOLDBERG SM, 1980, ESSENTIALS ANORECTAL, P146