1. Births and deaths: United States. Monthly Vital Statistics Report;National Center for Health Statistics,1997
2. Idiopathic interstitial pneumonia/idiopathic pulmonary fibrosis;Katzenstein,1990
3. Acute lung injury patterns: diffuse alveolar damage, acute interstial pneumonia, bronchiolitis obliterans-organizing pneumonia;Katzenstein,1990
4. Pathology of pulmonary fibrosis;Crouch;Am J Physiol,1990
5. Tomashefski JF, Jr: Pathology of Pulmonary Disease. 1994: pp 125–138 J. B. Lippincott Company, Edited by MJ Saldana. Philadelphia