Bjornson, A B Complement is activated in the upper respiratory tract during influenza virus infection. [electronic resource] - The American review of respiratory disease May 1991 - 1062-6 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't ISSN: 0003-0805 Standard No.: 10.1164/ajrccm/143.5_Pt_1.1062 doi Subjects--Topical Terms: AdultComplement Activation--immunologyComplement C3a--analysisComplement C5a--analysisFemaleHumansInfluenza, Human--immunologyMaleNasal Cavity--immunologyPilot ProjectsRadioimmunoassaySpecimen HandlingTherapeutic Irrigation