共 18 条
[2]
BARRERAS RF, 1973, GASTROENTEROLOGY, V64, P1168
[5]
DENT RI, 1972, ANN SURG, V23, P361
[7]
FRIESEN SR, 1972, CURRENT PROBLEMS SUR
[8]
HOLTERMULLER KH, 1974, GASTROENTEROLOGY, V67, P1101
[9]
HUGHES WS, 1971, CLIN RES, V18, P607