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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f18_32_18958

©2013 UpToDate ® Print Email Age at onset of presentation in different interstitial lung diseases Idiopathic pulmonary fibrosis (IPF) has an older age distribution than either pulmonary Langerhans cell histiocytosis (LCH) or sarcoidosis. Data from King, TE, Jr. Interstitial lung diseases: General approaches. In: Parsons, PE, Heffner, JE, (Eds), Pulmonary and Respiratory Therapy Secrets, Philadelphia, Handley &Belfus, Inc. 1997, p. 234.