@article {43850,
	title = {Some biological health hazards among sewage workers},
	journal = {The Egyptian Journal of occupational Medicine},
	year = {2009},
	attachments = {https://scholar.cu.edu.eg/sites/default/files/sawsanhelal/files/biological_health_hazards_among_cheese_industry_workers.pdf},
	author = {Helal SF and Rashed LA}
}
