Which Knee and Probe Position Determines the Final Diagnosis of Knee Inflammation by Ultrasound? Results from a European Multicenter Study - Terslev, L.; D’Agostino, M. A.; Brossard, M.; Aegerter, P.; Balint, P.; Backhaus, M.; Bruyn, G. A.; Chary-Valckenare, I.; Filippucci, E.; Freeston, J.; Gandjbakhch, F.; Iagnocco, A.; Jousse-Joulin, S.; Mandl, P.; Möller, I.; Naredo, E.; Szkudlarek, M.; Wakefield, R. J.; Zayat, A.; Schmidt, W. A. (Ultraschall in der Medizin - European Journal of Ultrasound, 2012)