共 23 条
[13]
MATHAN MM, 1985, LANCET, V2, P1172
[14]
MEISEL JL, 1976, GASTROENTEROLOGY, V70, P1156
[15]
MORRIS GK, 1976, J CLIN MICROBIOL, V3, P486
[18]
Schlesselman J.J., 1982, CASE CONTROL STUDIES, VVolume 2