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Published on Aug 4, 2011
More in the "Immune System 101" playlist: http://www.youtube.com/playlist?list=... Drs. Laurence Cheng and Uma Mahadevan explore the science behind food allergies and other gastrointestinal tract problems. Series: "UCSF Osher Mini Medical School for the Public" [8/2011] [Health and Medicine] [Show ID: 21378]