共 10 条
[2]
DICKMAN MD, 1976, SURG GYNECOL OBSTET, V142, P173
[3]
ELSON C, 1975, GASTROENTEROLOGY, V70, P507
[4]
GERACI K, 1976, GASTROENTEROLOGY, V70, P1189
[5]
MCENTEGART MG, 1949, LANCET, V2, P596
[7]
NORFLEET RG, 1976, GASTROENTEROLOGY, V70, P20
[8]
RAYFORTH R, 1975, GASTROINT ENDOSC, V22, P32