1Mai T Pham,Andria Q Jones,Jan M Sargeant,et aI.A qualitative exploration of the perceptions and information needs of public health inspectors responsible for food safety [J]. Pham, et al. BMC Public Health, 2090, 10:345.
2Antle, J. M. Choice and EffiCiency in Food Safety Policy [M]. Washington DC: The AEI Press, i 995.