Dr. David R. Nash, clinical director of allergy/immunology at Children's Hospital of Pittsburgh of UPMC, will lead a "grand rounds" presentation on food allergies tomorrow at The Children's Institute, Squirrel Hill. Free to the public, registration and continental breakfast begin at 7:30 a.m. followed by the presentation at 8 a.m. Tours of The Children's Institute are held at 9 a.m. For more information, call 412-420-2270.

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