Cite
MLA Citation
Emelie Ekkernkamp et al.. “Minute Ventilation During Spontaneous Breathing, High-Intensity Noninvasive Positive Pressure Ventilation and Intelligent Volume Assured Pressure Support in Hypercapnic COPD.” COPD, vol. 11, n.d., pp. 52–58. http://access.bl.uk/ark:/81055/vdc_100089854531.0x000045