@misc{indiciae2e2e349c86c8, title = {A modified VSP screw: two-year experience.}, author = {Robert G Johnson}, year = {2003}, doi = {10.1097/00024720-200306000-00007}, url = {https://pubmed.ncbi.nlm.nih.gov/12792341/}, note = {Source identifier: 12792341} }