TUNEVALL, G AETIOLOGIC AGENTS IN RESPIRATORY ILLNESS. OCCURRENCE OF BACTERIA AND SEROLOGIC REACTIONS AGAINST VIRUSES AND BACTERIA IN ACUTE RESPIRATORY ILLNESS. [electronic resource] - Acta medica Scandinavica Aug 1963 - 237-48 p. digital Publication Type: Journal Article ISSN: 0001-6101 Subjects--Topical Terms: AdolescentBacteriaBacteriologyBronchopneumoniaChildGeriatricsHumansInfantRespiratory Tract InfectionsSerologic TestsViruses