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    • Physical activity characteristics across GOLD Quadrants Depend on the Questionnaire used 

      Demeyer, Heleen; Gimeno Santos, Elena, 1980-; Rabinovich, Roberto Alejandro; Hornikx, Miek; Louvaris, Zafeiris; De Boer, Willem I.; Karlsson, Niklas; De Jong, Corina; Van der Molen, Thys; Vogiatzis, Ioannis; Janssens, Wim; García Aymerich, Judith; Troosters, Thierry; Polkey, Michael I. (PLoS one, 2016, vol. 11, núm. 3, 2016-03)
      The GOLD multidimensional classification of COPD severity combines the exacerbation risk with the symptom experience, for which 3 different questionnaires are permitted. This study investigated differences ...