Priscila Batista Amorim, Rafael Stelmach, Celso Ricardo Fernandes Carvalho, Frederico Leon Arrabal Fernandes, Regina Maria Carvalho-Pinto, Alberto Cukier
Amorim PB, Stelmach R, Carvalho CRF, Fernandes FLA, Carvalho-Pinto RM, Cukier A. Barriers associated with reduced physical activity in COPD patients. J Bras Pneumol. 2014;40(5):504-512