(1)
Silva, K. K. D.; Lopes, A. J.; Jansen, J. M.; Melo, P. L. de. Total Inspiratory and Expiratory Impedance in Patients With Severe Chronic Obstructive Pulmonary Disease . Clinics 2011, 66 (12), 2085-2091. https://doi.org/10.1590/S1807-59322011001200014.