title: XXVII Nordic Congress of Pneumonology. Turku, 1974. Abstracts of symposia.
mesh_terms: D006801:Humans; D008168:Lung / Q000276:immunology; D008171:Lung Diseases / Q000276:immunology; D008173:Lung Diseases, Obstructive; D008175:Lung Neoplasms; D014397:Tuberculosis, Pulmonary