1. Impact of instructor professional background and interim retesting on knowledge and self-confidence of schoolchildren after basic life support training: a cluster randomised longitudinal study. Issue 4 (16th February 2019) Authors: Haseneder, Rainer; Skrzypczak, Matthias; Haller, Bernhard; Beckers, Stefan K; Holch, Julia; Wank, Christina; Kochs, Eberhard; Schulz, Christian M Journal: Emergency medicine journal Issue: Volume 36:Issue 4(2019) Page Start: 239 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗