@misc{indiciae6cfa79d7c2c8, title = {Update on the Cloward procedure: new instruments.}, author = {J M Otero Vich}, year = {1994}, doi = {10.3171/jns.1994.81.5.0716}, url = {https://pubmed.ncbi.nlm.nih.gov/7931617/}, note = {Source identifier: 7931617} }