Ann Am Thorac Soc.
Martinez CH, Murray S, Barr RG, Bleecker E, Bowler RP, Christenson SA, Comellas AP, Cooper CB, Couper D, Criner GJ, Curtis JL, Dransfield MT, Hansel NN, Hoffman EA, Kanner RE, Kleerup E, Krishnan JA, Lazarus SC, Leidy NK, O'Neal W, Martinez FJ, Paine R 3rd, Rennard SI, Tashkin DP, Woodruff PG, Han MK; Subpopulations and Intermediate Outcome Measures in COPD Study Investigators
doi: 10.1513/