title: [Evaluation of regular physical activity in COPD patients with an accelerometer and a questionnaire: a pilot study].
authors.forename: Eva
authors.initials: E
authors.lastname: Balcells Vilarnau
authors.forename: Judith
authors.initials: J
authors.lastname: Garcia-Aymerich
authors.forename: Josep M
authors.initials: JM
authors.lastname: Antó
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D009043:Motor Activity; D010865:Pilot Projects; D029424:Pulmonary Disease, Chronic Obstructive / Q000503:physiopathology*; D011795:Surveys and Questionnaires