[Public health experience in the People's Republic of Bulgaria].
D000553:Ambulatory Care; D002031:Bulgaria; D004782:Environmental Health; D006295:Health Resources; D008403:Mass Screening; D011634:Public Health / Q000639:trends*; D011787:Quality of Health Care
Iz opyta zdravookhraneniia v Narodnoĭ Respublike Bolgarii.