Teaching fiberoptic-assisted tracheoscopy in very low birth weight infants: A randomized controlled simulator study - Wolf, M.; Seiler, B.; Vogelsang, V.; Sydney Hopf, L.; Moll-Koshrawi, P.; Vettorazzi, E.; Ebenebe, C. U.; Singer, D.; Deindl, P. (Frontiers in pediatrics, 2022)