共 28 条
[2]
BARTLETT JG, 1977, GASTROENTEROLOGY, V73, P772
[4]
DUCLUZEAU R, 1981, RECENT ADV GERMFREE, P135
[5]
EHRICH M, 1980, INFECT IMMUN, V28, P1041
[6]
FEKETY R, 1979, REV INFECT DIS, V1, P386