title: Reply: idiopathic pulmonary fibrosis: a degenerative disease requiring a regenerative approach.
authors.forename: Marilyn K
authors.initials: MK
authors.lastname: Glassberg
authors.forename: Joshua M
authors.initials: JM
authors.lastname: Hare
authors.forename: Rebecca L
authors.initials: RL
authors.lastname: Toonkel
authors.forename: Michael A
authors.initials: MA
authors.lastname: Matthay
mesh_terms: D000818:Animals; D006801:Humans; D054990:Idiopathic Pulmonary Fibrosis / Q000628:therapy*; D045164:Mesenchymal Stem Cell Transplantation