共 7 条
[1]
BAUER H, 1962, TYHOID FEVER SALMONE, P86
[2]
BOWMER E J, 1959, Can Med Assoc J, V80, P179
[3]
BOWMER EJ, 1970, 98 ANN M AM PUBL HEA
[4]
HUCKSTEP RL, 1962, TYPHOID FEVER SALMON, P273
[5]
1970, US CANADA MORBIDITY, P13
[6]
1970, CAN MED A J, V102, P655
[7]
1970, WHO EPIDEMIOLOGICAL, V45, P74