@article{ibaceta_cornejo_ramirez_escobar_villagrán_schulz_2009, title={Uso de morfina intratecal en artrodesis lumbar}, volume={8}, ISSN={1808-1851}, url={https://doi.org/10.1590/S1808-18512009000400007}, DOI={10.1590/S1808-18512009000400007}, number={4}, journal={Coluna/Columna}, publisher={Sociedade Brasileira de Coluna}, author={Ibaceta, Ronald Schulz and Cornejo, Nicolás Macchiavello and Ramirez, Sergio and Escobar, Jaime and Villagrán, Marcos Ganga and Schulz, Hermann}, year={2009}, month={Oct}, pages={386–389} }