1. Non-Invasive Positive airway Pressure thErapy to Reduce Postoperative Lung complications following Upper abdominal Surgery (NIPPER PLUS): protocol for a single-centre, pilot, randomised controlled trial. Issue 1 (9th January 2019) Authors: Lockstone, Jane; Boden, Ianthe; Robertson, Iain K; Story, David; Denehy, Linda; Parry, Selina M Journal: BMJ open Issue: Volume 9:Issue 1(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗