| dirofilaria infections in working dogs in slovakia. | a monitoring programme aimed at the diagnosis of subcutaneous dirofilariasis and heartworm disease in working (police and military) dogs in slovakia has been performed during the period of september 2007 to february 2008. in co-operation with the ministry of the interior and the ministry of defence, in total, 710 dogs (591 police dogs and 119 military dogs) were investigated for the presence of microfilariae in blood. all police and military dogs in active service held on the territory of slovak ... | 2010 | 19728899 |