共 20 条
[1]
ALPERS DH, 1981, GASTROENTEROLOGY, V80, P1068
[2]
CHAUDHARY NA, 1962, Q J MED, V31, P307
[3]
FIELDING JF, 1977, CLIN GASTROENTEROL, V6, P607
[5]
GOLDBERG DP, 1970, BRIT J PREV SOC MED, V24, P18
[6]
MURNEY RG, 1982, CLIN GASTROENTEROL, V11, P563
[7]
PALMER R, 1975, POSTGRAD MED J, V50, P416
[9]
RITCHIE J, 1977, CLIN GASTROENTEROL, V6, P622
[10]
RUBIN L, 1979, GASTROENTEROLOGY, V76, P1230