title: [Tick-borne spirochetosis and the public health problem in the USSR].
mesh_terms: D000818:Animals; D006801:Humans; D011634:Public Health; D012061:Relapsing Fever; D013987:Ticks; D014586:USSR
keywords: RELAPSING FEVER
vernacular_title: Kleshchevoi spirokhetoz kak problema zdrabookhraneniia v SSSR.