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A Multidimensional Index and Staging System for Idiopathic Pulmonary Fibrosis
Brett Ley, MD; Christopher J. Ryerson, MD, MAS; Eric Vittinghoff, PhD; Jay H. Ryu, MD; Sara Tomassetti, MD; Joyce S. Lee, MD, MAS; Venerino Poletti, MD; Matteo Buccioli, BS; Brett M. Elicker, MD; Kirk D. Jones, MD; Talmadge E. King, MD; Harold R. Collard, MD
Annals of Internal Medicine 2012;156:684-691.
doi:10.7326/0003-4819-156-10-201205150-00004
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