1. Effects of training time and feedback on ventilation skills in lay rescuers. Issue 4 (12th April 2010) Authors: Paal, Peter; Falk, Markus; Gruber, Elisabeth; Beikircher, Werner; Ellerton, John; Kainz, Hartmann; Wenzel, Volker; Brugger, Hermann Journal: Emergency medicine journal Issue: Volume 27:Issue 4(2010) Page Start: 313 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗