title: [Current tasks of hygienic science and practice in Leningrad and Leningrad Province].
mesh_terms: D004782:Environmental Health; D009787:Occupational Medicine / Q000639:trends; D011634:Public Health / Q000639:trends*; D012426:Russia
vernacular_title: Aktual'nye zadachi gigienicheskoĭ nauki i praktike v Leningrade i oblasti.