Respiratory infections-new agents and new concepts.
D003139:Common Cold / Q000209:etiology / Q000523:psychology; D006801:Humans; D007877:Legionnaires' Disease / Q000209:etiology; D010033:Otitis Media / Q000209:etiology; D012141:Respiratory Tract Infections / Q000209:etiology*; D003294:Seizures, Febrile / Q000209:etiology; D012852:Sinusitis / Q000209:etiology