Translation, cross-cultural adaptation, and reliability of the Understanding COPD questionnaire for use in Brazil.
Anamaria Fleig MayerAline Almeida GulartKaroliny Dos SantosKaterine Cristhine CaniManuela KarlohBrenda O'NeillPublished in: Jornal brasileiro de pneumologia : publicacao oficial da Sociedade Brasileira de Pneumologia e Tisilogia (2019)
The Brazilian Portuguese version of the UCOPD questionnaire is reliable.