Nail-patella-syndrome in a young patient followed up over 10 years: relevance of the sagittal trochlear septum for patellofemoral pathologyChristian Konrads, Stephan Reppenhagen, Piet Plumhoff, Maximilian Rudert, Andre Steinert and Thomas BarthelSICOT-J, 2 (2016) 26DOI: https://doi.org/10.1051/sicotj/2016017