共 25 条
[1]
BEATTY HJ, 1984, 5 ONT DIS SURV REP, P508
[2]
BRYAN FL, 1979, FOOD BORNE INFECTION, P211
[4]
LIOR H, 1984, 1028 CAN DIS WKL REP, P109
[5]
STONE JS, 1984, 5 ONT DIS WEEKL REP, P505