title: [Participation of influenza virus A-2 Hong-Kong as the cause of pneumonia in 1969].
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D009174:Mycoplasma; D009975:Orthomyxoviridae / Q000302:isolation & purification*; D011014:Pneumonia / Q000145:classification; D011024:Pneumonia, Viral / Q000209:etiology*; D012189:Retrospective Studies
vernacular_title: Vliv chripkového virusu A-2 HongKong na vznik zánĕtů plic v roce 1969.