... Quintana JM, Padierna A, Esteban C, Arostegui I, Bilbao A, Ruiz I: Evaluation of the psychometric characteristics of the Spanish version of the Hospital Anxiety and Depression Scale. Acta Psychiatr ... Alonso J, Prieto L, Plaza V, Monsó E, Marrades R, Aguar MC,Khalaf A, Antó JM: Validity and reliability of the St George’s RespiratoryQuestionnaire after adaptation to a different language and ... relates to the frequencyand severity of respiratory symptoms, the “ Activity”domain relates to activities that cause or are l imited bybreathlessness, and the “Impact” domain covers aspectsof...