Article Title,Year,Volume,Issue,Page Range,Author Investigation of Legionella pneumophila seropositivity in the professional long distance drivers as a risky occupation,2007,41,2,211-217,Polat Bioterrorism parasites as potential bioterrorism agents and biosecurity studies,2006,40,1-2,129-139,Aksoy Viruses as biological weapons,2005,39,3,383-397,Akçali