共 76 条
[2]
ACHORD JL, 1987, ANN INTERN MED, V107, P772
[5]
BEGDONI G, 1987, GASTROINTEST ENDOSC, V33, P21
[6]
BHARGAVA DK, 1985, J TROP MED HYG, V88, P249
[7]
BULOW S, 1986, SCAND J SOC MED, V14, P67
[8]
BUSSEY HJR, 1978, GASTROENTEROLOGY, V74, P1325