共 7 条
[2]
DURDEY P, 1987, LANCET, V2, P549
[3]
GARNER JS, 1985, GUIDELINES PREVENTIO, P1
[4]
HORNSBYLEWIS L, 1988, GASTROENTEROLOGY, V94, P1099
[5]
MAXFIELD RG, 1986, ARCH SURG-CHICAGO, V121, P401
[6]
MORTENSEN NJM, 1984, BRIT J SURG, V71, P930