Low-cost, Easy-to-build Non-Invasive Pressure Support Ventilator for Under-resourced Regions: Open Source Hardware Description, Performance and Feasibility Testing 23 Apr, 2020 | 09:26h | UTC Low-cost, easy-to-build non-invasive pressure support ventilator for under-resourced regions: open source hardware description, performance and feasibility testing – European Respiratory Journal Commentary: Low-cost, easy-to-build ventilator performs similarly to high-quality commercial device – European Lung Foundation