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IP address: 3.88.16.192
Time: 2024-03-28T23:53:09Z
URL: http://scholar.google.com/scholar_lookup?title=Duration+of+humoral+immunity+to+common+viral+and+vaccine+antigens&year=2007&author=Amanna&journal=N+Engl+J+Med&volume=357&issue=19&pages=1903-1915&doi=10.1056%2FNEJMoa066092&pmid=17989383