S66 A randomised crossover trial of pressure support ventilation (PSV) versus pressure controlled ventilation (PCV) in stable hypercapnic Chronic Obstructive Pulmonary Disease (COPD)
S66 A randomised crossover trial of pressure support ventilation (PSV) versus pressure controlled ventilation (PCV) in stable hypercapnic Chronic Obstructive Pulmonary Disease (COPD)