1. "Walking with Only Non-Invasive Ventilation in Stable Hypercapnic COPD Patients: Sufficient or Not?". (3rd July 2016) Authors: Walker, David J.; Windisch, Wolfram; Dreher, Michael Journal: COPD Issue: Volume 13:Number 4(2016) Page Start: 536 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗