@misc{indiciae5664b5a15df4, title = {Spinal cord compression after long-term etretinate.}, author = {P Tfelt-Hansen and B Knudsen and E Petersen and E B Sørensen}, year = {1989}, doi = {10.1016/s0140-6736(89)90503-5}, url = {https://pubmed.ncbi.nlm.nih.gov/2569118/}, note = {Source identifier: 2569118} }