@article{doi:10.1302/0301-620X.103B12.BJJ-2021-0515.R1, author = {Huhnstock, Stefan and Wiig, Ola and Merckoll, Else and Svenningsen, Svein and Terjesen, Terje}, title = {The modified Stulberg classification is a strong predictor of the radiological outcome 20 years after the diagnosis of Perthes’ disease}, journal = {The Bone & Joint Journal}, volume = {103-B}, number = {12}, pages = {1815-1820}, year = {2021}, doi = {10.1302/0301-620X.103B12.BJJ-2021-0515.R1}, url = {https://doi.org/10.1302/0301-620X.103B12.BJJ-2021-0515.R1} }