title: [Hygienic and epidelimiological service in the People's Republic of Bulgaria].
mesh_terms: D002031:Bulgaria; D004813:Epidemiology; D006920:Hygiene; D007883:Legislation, Medical; D009938:Organizations; D011635:Public Health Administration
vernacular_title: Gigieno-épidemiologicheskaia sluzhba v Narodnoĭ Respublike Bulgarii