title: [Purification of concentrated anti-influenza vaccine using ultrasonic treatment and filtration with sterile filters].
mesh_terms: D005374:Filtration; D007252:Influenza Vaccines / Q000302:isolation & purification*; D009975:Orthomyxoviridae / Q000302:isolation & purification; D013242:Sterilization; D013535:Suspensions; D014465:Ultrasonics
chemical_list: D007252:Influenza Vaccines; D013535:Suspensions
vernacular_title: Purificazione di vaccini antinfluenzali concentrati mediante trattamento con ultrasuoni e filtrazione con filtri sterili