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IP address: 44.222.129.73
Time: 2024-03-29T14:07:55Z
URL: http://scholar.google.com/scholar_lookup?title=Immunosenescence+and+mucosal+immunity%3A+significant+effects+of+old+age+on+secretory+IgA+concentrations+and+intraepithelial+lymphocyte+counts&year=1992&author=Arranz&journal=Gut&volume=33&issue=7&pages=882-886&doi=10.1136%2Fgut.33.7.882&pmid=1644326