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Krystle Proctor (age 11), who has Cystic Fibrosis, gets treatment from Shari Nelson, Rehabilitation Assistant, Department of Physical Therapy at Children's Hospital on Feb. 21, 1994. (Photo by Laura Patterson/CQ Roll Call via Getty Images)

Krystle Proctor (age 11), who has Cystic Fibrosis, gets treatment from Shari Nelson, Rehabilitation Assistant, Department of Physical Therapy at Children's Hospital on Feb. 21, 1994. (Photo by Laura Patterson/CQ Roll Call via Getty Images)

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