共 13 条
[1]
BANKS S, 1973, CLINICS GASTROENTERO, V2, P319
[2]
BLAUME PE, 1969, AUST ANN MED, V18, P113
[3]
BOYES BE, 1975, POSTGRAD MED J, V51, P29
[5]
DOLL R, 1956, LANCET, V1, P70
[7]
KRUGER G, 1976, LANCET, V2, P485
[8]
MOSHAL MG, 1975, POSTGRAD MED J, V51, P36
[9]
PAULLUS GE, 1966, IND MED SURG, V35, P21