Jungesblut, O. D., Berger-Groch, J., Meenen, N. M., Stuecker, R., Rupprecht, M. Validity of Ultrasound Compared with Magnetic Resonance Imaging in Evaluation of Osteochondritis Dissecans of the Distal Femur in Children. Cartilage 2019; 0: 1947603519828434