Self-assessment and learning motivation in emergency point-of-care ultrasound: an online pilot investigation in German physicians. - Bansbach, Joachim; Bentele, Michael; Bollinger, Matthias; Bentele, Stefanie; Langenhan, Ronny; Gerber, Bianka; Trifunovic-Koenig, Milena; Bushuven, Stefan (BMC Emergency Medicine, 2024)