Adaptation of the Asthma Quality of Life Questionnaire to a second language preserves its critical properties: The Spanish Version

To test the metric proprieties of the Spanish version of the Juniper Asthma Quality of Life Questionnaire (AQLQ), we studied 116 adult asthmatic patients with a wide range of disease severity (53 patients were recruited from the respiratory outpatient department, 38 from a primary health care centre...

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