title: Clinical course and prediction of survival in idiopathic pulmonary fibrosis.
authors.affiliation: Department of Medicine, University of California San Francisco, San Francisco, California, USA.
authors.forename: Brett
authors.initials: B
authors.lastname: Ley
authors.forename: Harold R
authors.initials: HR
authors.lastname: Collard
authors.forename: Talmadge E
authors.initials: TE
authors.lastname: King