• idiopathic pulmonary fibrosis - WebMD

      www.webmd.com/lung/what-is-idiopathic-pulmonary-fibrosis The causes, symptoms, and treatment of idiopathic pulmonary fibrosis, a rare lung disease.
    • Pulmonary fibrosis - Wikipedia, the free encyclopedia

      en.wikipedia.org/wiki/Pulmonary_fibrosis Pulmonary fibrosis (literally "scarring of the lungs") is a respiratory disease in which scars are formed in the lung tissues, leading to serious breathing problems.
    • Pulmonary fibrosis Causes - Mayo Clinic

      www.mayoclinic.org/diseases-conditions/pulmonary-fibrosis/.../CON-20029091 Pulmonary fibrosis — Comprehensive overview covers symptoms, causes and treatment of this serious lung disease.