共 8 条
[1]
FRUHMORGEN P, 1979, ENDOSCOPY, V2, P146
[2]
KADIR S, 1983, CURR PROB SURG, V20, P282
[4]
OVERHOLT BF, 1976, GASTROENTEROLOGY, V70, P112
[5]
ROGERS BHG, 1975, GASTROINTEST ENDOSC, V22, P73
[8]
TWIFORD TW, 1978, DIGEST DIS SCI, V23, P1046