共 12 条
[1]
GOLIGHER JC, 1985, ANN R COLL SURG ENGL, V22, P311
[2]
HEALD RJ, 1986, LANCET, V1, P1479
[5]
KEIGHLEY, 1987, GUT, V28, P786
[6]
LLOYDDAVIES OV, 1948, P ROY SOC MED, V41, P822
[9]
MORGAN C N, 1955, J R Coll Surg Edinb, V1, P112
[10]
MORGAN CN, 1957, P ROY SOC MED, V50, P1050