Incidence and prevalence of idiopathic pulmonary fibrosis.
Am J Respir Crit Care Med. 2006 Oct 1;174(7):810-6. doi: 10.1164/rccm.200602-163OC. Epub 2006 Jun 29.
Am J Respir Crit Care Med. 2006.
PMID: 16809633