Determinants of poor 6-min walking distance in patients with COPD: the ECLIPSE cohort.
Spruit MA, Watkins ML, Edwards LD, Vestbo J, Calverley PM, Pinto-Plata V, Celli BR, Tal-Singer R, Wouters EF; Evaluation of COPD Longitudinally to Identify Predictive Surrogate Endpoints (ECLIPSE) study investigators.
Spruit MA, et al.
Respir Med. 2010 Jun;104(6):849-57. doi: 10.1016/j.rmed.2009.12.007. Epub 2010 May 14.
Respir Med. 2010.
PMID: 20471236
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