Physical activity and clinical and functional status in COPD.
Garcia-Aymerich J, Serra I, Gómez FP, Farrero E, Balcells E, Rodríguez DA, de Batlle J, Gimeno E, Donaire-Gonzalez D, Orozco-Levi M, Sauleda J, Gea J, Rodriguez-Roisin R, Roca J, Agustí ÀG, Antó JM; Phenotype and Course of COPD (PAC-COPD) Study Group.
Garcia-Aymerich J, et al. Among authors: agusti ag.
Chest. 2009 Jul;136(1):62-70. doi: 10.1378/chest.08-2532. Epub 2009 Mar 2.
Chest. 2009.
PMID: 19255291