Pediatric musculoskeletal ultrasound – age- and sex-related normal B-mode findings of the knee - Windschall, D; Trauzeddel, R; Haller, M; Krumrey-Langkammerer, M; Nimtz-Talaska, A; Berendes, R; Ganser, G; Nirschl, C; Schoof, P; Trauzeddel, RF; Palm-Beden, K; Lehmann, H (Ultraschall in der Medizin - European Journal of Ultrasound, 2016)