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IP address: 3.236.214.123
Time: 2024-03-28T17:20:25Z
URL: http://scholar.google.com/scholar_lookup?title=Environmental+exposure+to+endotoxin+and+its+relation+to+asthma+in+school-age+children.&year=2002&author=Braun-Fahrlander&journal=N.+Engl.+J.+Med.&volume=347&pages=869-877&doi=10.1056%2FNEJMoa020057&pmid=12239255