Bassi, Daniela, Aureluce Demonte, Leonardo Cardello, Dirceu Costa, Julio Marchini, and Audrey Borgui-Silva. 2014. “Carnitine Improves Exercise Tolerance and Respiratory Muscle Strength in Patients With Chronic Obstructive Pulmonary Disease”. Journal of Respiratory and CardioVascular Physical Therapy 2 (1):20-29. https://periodicos.ufrn.br/revistadefisioterapia/article/view/5067.