共 9 条
[1]
AMMANN RW, 1973, GASTROENTEROLOGY, V64, P320
[2]
BACHRACH WH, 1972, GASTROENTEROLOGY, V63, P890
[5]
Blackwood W D, 1973, Gastrointest Endosc, V20, P56, DOI 10.1016/S0016-5107(73)73873-6
[7]
KASUGAI T, 1972, GASTROENTEROLOGY, V63, P227
[9]
Silvis S E, 1973, Gastrointest Endosc, V20, P51, DOI 10.1016/S0016-5107(73)73872-4