Demetria Kovelis, Nicoli Oldemberg Segretti, Vanessa Suziane Probst, Suzanne Claire Lareau, Antônio Fernando Brunetto, Fábio Pitta
Kovelis D, Segretti NO, Probst VS, Lareau SC, Brunetto F, Pitta F. Validation of the Modified Pulmonary Functional Status and Dyspnea Questionnaire and the Medical Research Council scale for use in Brazilian patients with chronic obstructive pulmonary disease. J Bras Pneumol. 2008;34(12):1008-1018