@article{bazán_jordan_cevallos_adaro_adaro_2022,  title={HOUNSFIELD UNITS USE IN SPINAL SURGERY PLANNING: SYSTEMATIC REVIEW AND META-ANALYSIS},  volume={21},  ISSN={1808-1851},  url={https://doi.org/10.1590/S1808-185120222103264579},  DOI={10.1590/S1808-185120222103264579},  number={3},  journal={Coluna/Columna},  publisher={Sociedade Brasileira de Coluna},  author={Bazán, Pedro Luis and Jordan, Ricardo Cepeda and Cevallos, Juan Romel Medina and Adaro, Alfredo Osvaldo Godoy and Adaro, José Carlos Soria},  year={2022},  pages={e264579} }