资讯

The province’s Rat Control Program has helped make it one of the few rat-free zones in the world Alberta is marking 75 years ...
Canadian Journal of Public Health / Revue Canadienne de Santé Publique, Vol. 69, No. 1 (JANUARY/FEBRUARY 1978), pp. 49-50, 53 (3 pages) Tularemia is caused by Francisella tularensis, a small ...