共 4 条
[1]
BERMAN IR, 1990, GASTROINTEST ENDOSC, V36, P160, DOI 10.1016/S0016-5107(90)70979-0
[2]
EICHHORN JH, 1986, JAMA-J AM MED ASSOC, V256, P1017
[3]
LUNN JL, 1988, RECOMMENDATIONS STAN, V1, P1