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Time: 2024-03-28T20:19:26Z
URL: http://scholar.google.com/scholar_lookup?title=A+chemokine-driven+positive+feedback+loop+organizes+lymphoid+follicles&year=2000&author=Ansel&journal=Nature&volume=406&issue=6793&pages=309-314&doi=10.1038%2F35018581&pmid=10917533