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Time: 2024-03-28T19:55:22Z
URL: http://scholar.google.com/scholar_lookup?title=The+CD40+ligand%2C+gp39%2C+is+defective+in+activated+T+cells+from+patients+with+X-linked+hyper-IgM+syndrome&year=1993&author=Aruffo&journal=Cell&volume=72&issue=2&pages=291-300&doi=10.1016%2F0092-8674%2893%2990668-G&pmid=7678782