@article{doi:10.1302/0301-620X.74B2.1544955, author = {Wittenberg, RH and Peschke, U and Botel, U}, title = {Heterotopic ossification after spinal cord injury. Epidemiology and risk factors}, journal = {The Journal of Bone & Joint Surgery British Volume}, volume = {74-B}, number = {2}, pages = {215-218}, year = {1992}, doi = {10.1302/0301-620X.74B2.1544955}, url = {https://doi.org/10.1302/0301-620X.74B2.1544955} }